9478 + Interview Questions in Physics Page 131 InterviewSolution

6501.	What determines the distance tarvelled by sound? Explain.
Answer» What determines the distance tarvelled by sound? Explain.

Discussion

6502.	We can see an object only when the light may have been :
Answer» We can see an object only when the light may have been :

Discussion

6503.	The attraction of the plastic wrap to your hand after you remove it from a package is an example of:
Answer» The attraction of the plastic wrap to your hand after you remove it from a package is an example of:

Discussion

6504.	Which of the following action requires both; a push and a pull ?
Answer» Which of the following action requires both; a push and a pull ?

Discussion

6505.	Question 5 (c) In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case. (c) A load suspended from a spring while its other end is on a hook fixed to a wall.
Answer» Question 5 (c) In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case. (c) A load suspended from a spring while its other end is on a hook fixed to a wall.

Discussion

6506.	Why is the handle of an ordinary water handpump made longer?
Answer» Why is the handle of an ordinary water handpump made longer?

Discussion

6507.	Which of the following are contact forces ? A. Friction B.Gravitational force C.Magnetic force D.Muscular force (a). A and B (b).B and C (c).A and D (d). B and D
Answer» Which of the following are contact forces ? A. Friction B.Gravitational force C.Magnetic force D.Muscular force (a). A and B (b).B and C (c).A and D (d). B and D

Discussion

6508.	Name some of the devices which use liquid pressure and the principle behind them.Also why liquid pressure is preferred over other ways of exerting force.
Answer» Name some of the devices which use liquid pressure and the principle behind them.Also why liquid pressure is preferred over other ways of exerting force.

Discussion

6509.	A car moves along the periphery of a square field of side 10m. He completes travelling one side in 40s. What will be the magnitude of distance and displacement at the end of 2 min and 20 seconds?
Answer» A car moves along the periphery of a square field of side 10m. He completes travelling one side in 40s. What will be the magnitude of distance and displacement at the end of 2 min and 20 seconds?

Discussion

6510.	Fill in the following blanks with suitable words: (a) The stars appear to ___ in the sky. (b) The sun is a ___ whereas Orion is a ___. (c) The group of stars that appears to form a recognisable pattern in the sky is know as ___. (d) The brightest star in the night sky is ___. (e) Ursa Major constellation appears to revolve around the ___ star in the night sky. (f) Orion constellation can be used to locate the position of ___ star whereas Ursa Major constellation can be used to locate the ___ star in the night sky. (g) The planet which is farthest from the sun is ___. (h) The planet which appears reddish in colour is ___. (i) The small heavenly bodies revolving around the sun between the orbits of mars and jupiter are called ___. (j) Asteroids are found between the orbits of ___ and ___. (k) Shooting stars are actually not ___. (l) A celestial body that revolves around a planet is known as ___. (m) A meteoroid becomes a ___ on entering Earth's atmosphere. (n) The long distance transmission of television programmes has been made possible with the help of ___ satellites.
Answer» Fill in the following blanks with suitable words: (a) The stars appear to ___ in the sky. (b) The sun is a ___ whereas Orion is a ___. (c) The group of stars that appears to form a recognisable pattern in the sky is know as ___. (d) The brightest star in the night sky is ___. (e) Ursa Major constellation appears to revolve around the ___ star in the night sky. (f) Orion constellation can be used to locate the position of ___ star whereas Ursa Major constellation can be used to locate the ___ star in the night sky. (g) The planet which is farthest from the sun is ___. (h) The planet which appears reddish in colour is ___. (i) The small heavenly bodies revolving around the sun between the orbits of mars and jupiter are called ___. (j) Asteroids are found between the orbits of ___ and ___. (k) Shooting stars are actually not ___. (l) A celestial body that revolves around a planet is known as ___. (m) A meteoroid becomes a ___ on entering Earth's atmosphere. (n) The long distance transmission of television programmes has been made possible with the help of ___ satellites.

6510.

Fill in the following blanks with suitable words: (a) The stars appear to _ in the sky. (b) The sun is a _ whereas Orion is a _. (c) The group of stars that appears to form a recognisable pattern in the sky is know as _. (d) The brightest star in the night sky is _. (e) Ursa Major constellation appears to revolve around the _ star in the night sky. (f) Orion constellation can be used to locate the position of _ star whereas Ursa Major constellation can be used to locate the _ star in the night sky. (g) The planet which is farthest from the sun is _. (h) The planet which appears reddish in colour is _. (i) The small heavenly bodies revolving around the sun between the orbits of mars and jupiter are called _. (j) Asteroids are found between the orbits of _ and _. (k) Shooting stars are actually not _. (l) A celestial body that revolves around a planet is known as _. (m) A meteoroid becomes a _ on entering Earth's atmosphere. (n) The long distance transmission of television programmes has been made possible with the help of ___ satellites.

Answer»

Fill in the following blanks with suitable words:

(a) The stars appear to ___ in the sky.

(b) The sun is a ___ whereas Orion is a ___.

(c) The group of stars that appears to form a recognisable pattern in the sky is know as ___.

(d) The brightest star in the night sky is ___.

(e) Ursa Major constellation appears to revolve around the ___ star in the night sky.

(f) Orion constellation can be used to locate the position of ___ star whereas Ursa Major constellation can be used to locate the ___ star in the night sky.

(g) The planet which is farthest from the sun is ___.

(h) The planet which appears reddish in colour is ___.

(i) The small heavenly bodies revolving around the sun between the orbits of mars and jupiter are called ___.

(j) Asteroids are found between the orbits of ___ and ___.

(k) Shooting stars are actually not ___.

(l) A celestial body that revolves around a planet is known as ___.

(m) A meteoroid becomes a ___ on entering Earth's atmosphere.

(n) The long distance transmission of television programmes has been made possible with the help of ___ satellites.

Discussion

6511.	What is the nature of image formed by a convex mirror?
Answer» What is the nature of image formed by a convex mirror?

Discussion

6512.	Is vegetable oil is good conductor of electricity? Why?
Answer» Is vegetable oil is good conductor of electricity? Why?

Discussion

6513.	If the angle between the incident ray and the reflected ray is 70∘, what is the angle of incidence? [2 MARKS]
Answer» If the angle between the incident ray and the reflected ray is $70^{\circ}$ , what is the angle of incidence? [2 MARKS]

Discussion

6514.	Why does potato becomes green after passing electricity from it?
Answer» Why does potato becomes green after passing electricity from it?

Discussion

6515.	For what purpose is Richter Scale used?
Answer» For what purpose is Richter Scale used?

Discussion

6516.	When a drum is beaten, a sound is heard due to:
Answer» When a drum is beaten, a sound is heard due to:

Discussion

6517.	If a pendulum completes 2 oscillations in one second. What is its frequency?
Answer» If a pendulum completes 2 oscillations in one second. What is its frequency?

Discussion

6518.	A tester is used to check the conductivity of an unknown solution of water. What can be concluded, if the bulb of the tester glows brightly?
Answer» A tester is used to check the conductivity of an unknown solution of water. What can be concluded, if the bulb of the tester glows brightly?

Discussion

6519.	How does the telephone transform sound energy to electrical current?
Answer» How does the telephone transform sound energy to electrical current?

Discussion

6520.	The camera is set in a proper direction by
Answer» The camera is set in a proper direction by

Discussion

6521.	Question 9 Which of the following figures represents uniform motion of a moving object correctly? (a) (b) (c) (d)
Answer» Question 9 Which of the following figures represents uniform motion of a moving object correctly? (a) (b) (c) (d)

Discussion

6522.	Electric current is the ________ of flow of electric _______.
Answer» Electric current is the ________ of flow of electric _______.

Discussion

6523.	A thrust of 20 N is acting on an area of 2 m2. How much pressure is acting on the surface?
Answer» A thrust of $20 N$ is acting on an area of $2 m^{2}$ . How much pressure is acting on the surface?

Discussion

6524.	Which of the following statement regarding lightning conductors installed in a building is true?
Answer» Which of the following statement regarding lightning conductors installed in a building is true?

Discussion

6525.	A 1 m rod has 4 points marked as given in the figure, If each segment is of equal measure, then what will be the measure of X?
Answer» A $1 m$ rod has $4$ points marked as given in the figure, If each segment is of equal measure, then what will be the measure of $X$ ?

6525.

A 1 m rod has 4 points marked as given in the figure, If each segment is of equal measure, then what will be the measure of X?

Answer»

A $1 m$ rod has $4$ points marked as given in the figure, If each segment is of equal measure, then what will be the measure of $X$ ?

Discussion

6526.	How does the speed of light determine the optical density of a medium ?
Answer» How does the speed of light determine the optical density of a medium ?

Discussion

6527.	What do you understand by atmospheric pressure?
Answer» What do you understand by atmospheric pressure?

Discussion

6528.	Question 1 (b) Fill in the blank. The passage of an electric current through a solution causes _______effects.
Answer» Question 1 (b) Fill in the blank. The passage of an electric current through a solution causes _______effects.

Discussion

6529.	Aman and Sindhu are playing on a seesaw. Aman weighs 450 N and Sindhu weighs 300 N. Aman is on one side sitting 3 m away from the pivot. How far away must Sindhu sit (w.r.t pivot) to balance seesaw?
Answer» Aman and Sindhu are playing on a seesaw. Aman weighs $450 N$ and Sindhu weighs $300 N$ . Aman is on one side sitting $3 m$ away from the pivot. How far away must Sindhu sit (w.r.t pivot) to balance seesaw?

Discussion

6530.	Question 3 Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory. (a) in the nearby river. (b) in the nearby pond. (c) in the nearby cornfield. (d) according to the disposal guidelines of the local authority.
Answer» Question 3 Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory. (a) in the nearby river. (b) in the nearby pond. (c) in the nearby cornfield. (d) according to the disposal guidelines of the local authority.

Discussion

6531.	How will you determine the density of irregular solids that are insoluble in water
Answer» How will you determine the density of irregular solids that are insoluble in water

Discussion

6532.	Refraction and reflection of light takes place on all the objects
Answer» Refraction and reflection of light takes place on all the objects

Discussion

6533.	What is the use of the lever if its mechanical advantage is less than 1?
Answer» What is the use of the lever if its mechanical advantage is less than 1?

Discussion

6534.	Why is it necessary for astronauts to wear pressurized suits?
Answer» Why is it necessary for astronauts to wear pressurized suits?

Discussion

6535.	A ball of mass m is moving in a straight line with a constant velocity of 1 m/s. What is the velocity of ball after 1 hour? (Assume there is no net force acting on the ball)
Answer» A ball of mass $m$ is moving in a straight line with a constant velocity of $1 m / s$ . What is the velocity of ball after 1 hour? (Assume there is no net force acting on the ball)

6535.

A ball of mass m is moving in a straight line with a constant velocity of 1 m/s. What is the velocity of ball after 1 hour? (Assume there is no net force acting on the ball)

Answer»

A ball of mass $m$ is moving in a straight line with a constant velocity of $1 m / s$ . What is the velocity of ball after 1 hour?

(Assume there is no net force acting on the ball)

Discussion

6536.	A string of a musical instrument is same as:
Answer» A string of a musical instrument is same as:

6536.

A string of a musical instrument is same as:

Answer»

A string of a musical instrument is same as:

Discussion

6537.	Which of the following are the consequences of the anomalous expansion of water?
Answer» Which of the following are the consequences of the anomalous expansion of water?

Discussion

6538.	When white light is passed through a triangular prism, which of the following colour light will bent the least?
Answer» When white light is passed through a triangular prism, which of the following colour light will bent the least?

Discussion

6539.	A sphere of iron and a block of wood having the same volume are held under water. Which of these will experience a greater buoyant force?
Answer» A sphere of iron and a block of wood having the same volume are held under water. Which of these will experience a greater buoyant force?

Discussion

6540.	A single horizontal force F is applied to a block of mass M1 which is in contact with another block of mass M2.if the surface is frictionless the force between the block is ??
Answer» A single horizontal force F is applied to a block of mass M1 which is in contact with another block of mass M2.if the surface is frictionless the force between the block is ??

Discussion

6541.	How does loudness depend on the amplitude of vibrations ?
Answer» How does loudness depend on the amplitude of vibrations ?

Discussion

6542.	Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.
Answer» Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.

Discussion

6543.	The level of normal conversation in db
Answer» The level of normal conversation in db

Discussion

6544.	The light ray LM is incident from air to honey along the direction of the normal. Complete the ray diagram.
Answer» The light ray $LM$ is incident from air to honey along the direction of the normal. Complete the ray diagram.

6544.

The light ray LM is incident from air to honey along the direction of the normal. Complete the ray diagram.

Answer»

The light ray $LM$ is incident from air to honey along the direction of the normal. Complete the ray diagram.

Discussion

6545.	Why auditoriums are provided with sound absorbing materials?
Answer» Why auditoriums are provided with sound absorbing materials?

Discussion

6546.	An athlete makes a complete round of a circular track of radius 70m.The displacement and distance covered in the process will be_______ and _________ respectively.
Answer» An athlete makes a complete round of a circular track of radius 70m.The displacement and distance covered in the process will be_______ and _________ respectively.

Discussion

6547.	A person rubbed two similar glass rods using a silk cloth. Turns out that the glass rods started to move away from each other slightly when they were placed together. What can be the possible reason for this observation?
Answer» A person rubbed two similar glass rods using a silk cloth. Turns out that the glass rods started to move away from each other slightly when they were placed together. What can be the possible reason for this observation?

Discussion

6548.	When a ray of light passes from a denser medium to a rarer medium,
Answer» When a ray of light passes from a denser medium to a rarer medium,

Discussion

6549.	Figure I shows a pair of charged aluminium leaves that are attached to a metal strip. The leaves are shown as moving away from each other because they are charged by the same kind of charge. When Hari touches the metal strip, the leaves move towards each other and become relaxed, as shown in figure II. The leaves move towards each other because :
Answer» Figure I shows a pair of charged aluminium leaves that are attached to a metal strip. The leaves are shown as moving away from each other because they are charged by the same kind of charge. When Hari touches the metal strip, the leaves move towards each other and become relaxed, as shown in figure II. The leaves move towards each other because :

6549.

Figure I shows a pair of charged aluminium leaves that are attached to a metal strip. The leaves are shown as moving away from each other because they are charged by the same kind of charge. When Hari touches the metal strip, the leaves move towards each other and become relaxed, as shown in figure II. The leaves move towards each other because :

Answer»

Figure I shows a pair of charged aluminium leaves that are attached to a metal strip. The leaves are shown as moving away from each other because they are charged by the same kind of charge. When Hari touches the metal strip, the leaves move towards each other and become relaxed, as shown in figure II.

The leaves move towards each other because :

Discussion

6550.	A horizontal force of 5N act on a block of mass 10 kg kept on a rough horizontal surface. The coefficient of friction between the block and the rough surface is 0.3. Find the magnitude of frictional force acting between them, (g = 10 m/s2)
Answer» A horizontal force of 5N act on a block of mass 10 kg kept on a rough horizontal surface. The coefficient of friction between the block and the rough surface is 0.3. Find the magnitude of frictional force acting between them, (g = 10 m/s²)

Discussion

Explore topic-wise InterviewSolutions in .

What determines the distance tarvelled by sound? Explain.

We can see an object only when the light may have been :

The attraction of the plastic wrap to your hand after you remove it from a package is an example of:

Which of the following action requires both; a push and a pull ?

Question 5 (c) In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case. (c) A load suspended from a spring while its other end is on a hook fixed to a wall.

Why is the handle of an ordinary water handpump made longer?

Which of the following are contact forces ? A. Friction B.Gravitational force C.Magnetic force D.Muscular force (a). A and B (b).B and C (c).A and D (d). B and D

Name some of the devices which use liquid pressure and the principle behind them.Also why liquid pressure is preferred over other ways of exerting force.

A car moves along the periphery of a square field of side 10m. He completes travelling one side in 40s. What will be the magnitude of distance and displacement at the end of 2 min and 20 seconds?

What is the nature of image formed by a convex mirror?

Is vegetable oil is good conductor of electricity? Why?

If the angle between the incident ray and the reflected ray is 70∘, what is the angle of incidence? [2 MARKS]

Why does potato becomes green after passing electricity from it?

For what purpose is Richter Scale used?

When a drum is beaten, a sound is heard due to:

If a pendulum completes 2 oscillations in one second. What is its frequency?

A tester is used to check the conductivity of an unknown solution of water. What can be concluded, if the bulb of the tester glows brightly?

How does the telephone transform sound energy to electrical current?

The camera is set in a proper direction by

Question 9 Which of the following figures represents uniform motion of a moving object correctly? (a) (b) (c) (d)

Electric current is the ________ of flow of electric _______.

A thrust of 20 N is acting on an area of 2 m2. How much pressure is acting on the surface?

Which of the following statement regarding lightning conductors installed in a building is true?​

A 1 m rod has 4 points marked as given in the figure, If each segment is of equal measure, then what will be the measure of X?

How does the speed of light determine the optical density of a medium ?

What do you understand by atmospheric pressure?

Question 1 (b) Fill in the blank. The passage of an electric current through a solution causes _______effects.

Aman and Sindhu are playing on a seesaw. Aman weighs 450 N and Sindhu weighs 300 N. Aman is on one side sitting 3 m away from the pivot. How far away must Sindhu sit (w.r.t pivot) to balance seesaw?

Question 3 Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory. (a) in the nearby river. (b) in the nearby pond. (c) in the nearby cornfield. (d) according to the disposal guidelines of the local authority.

How will you determine the density of irregular solids that are insoluble in water

Refraction and reflection of light takes place on all the objects

What is the use of the lever if its mechanical advantage is less than 1?

Why is it necessary for astronauts to wear pressurized suits?

A ball of mass m is moving in a straight line with a constant velocity of 1 m/s. What is the velocity of ball after 1 hour? (Assume there is no net force acting on the ball)

A string of a musical instrument is same as:

Which of the following are the consequences of the anomalous expansion of water?

When white light is passed through a triangular prism, which of the following colour light will bent the least?

A sphere of iron and a block of wood having the same volume are held under water. Which of these will experience a greater buoyant force?

A single horizontal force F is applied to a block of mass M1 which is in contact with another block of mass M2.if the surface is frictionless the force between the block is ??

How does loudness depend on the amplitude of vibrations ?

Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.

The level of normal conversation in db

The light ray LM is incident from air to honey along the direction of the normal. Complete the ray diagram.

Why auditoriums are provided with sound absorbing materials?

An athlete makes a complete round of a circular track of radius 70m.The displacement and distance covered in the process will be_______ and _________ respectively.

A person rubbed two similar glass rods using a silk cloth. Turns out that the glass rods started to move away from each other slightly when they were placed together. What can be the possible reason for this observation?

When a ray of light passes from a denser medium to a rarer medium,

A horizontal force of 5N act on a block of mass 10 kg kept on a rough horizontal surface. The coefficient of friction between the block and the rough surface is 0.3. Find the magnitude of frictional force acting between them, (g = 10 m/s2)

Electric current is the __ of flow of electric _.

Which of the following statement regarding lightning conductors installed in a building is true?

An athlete makes a complete round of a circular track of radius 70m.The displacement and distance covered in the process will be_ and ___ respectively.