9478 + Interview Questions in Physics Page 152 InterviewSolution

7551.	Particle vibration in solids is important for___.
Answer» Particle vibration in solids is important for___.

Discussion

7552.	Which planet's orbit will enclose more area?
Answer» Which planet's orbit will enclose more area?

Discussion

7553.	An object is falling from a terrace of height 20m. At what point does it have maximum kinetic energy?
Answer» An object is falling from a terrace of height $20 m$ . At what point does it have maximum kinetic energy?

Discussion

7554.	A body is moving in the direction opposite to the direction of force acting on it. The work done ___.
Answer» A body is moving in the direction opposite to the direction of force acting on it. The work done ___.

Discussion

7555.	The ultrasound waves can penetrate into matter to a large extent because they have : (a) very high speed (b) very high frequency (c) very high quality (d) very high amplitude.
Answer» The ultrasound waves can penetrate into matter to a large extent because they have : (a) very high speed (b) very high frequency (c) very high quality (d) very high amplitude.

7555.

The ultrasound waves can penetrate into matter to a large extent because they have : (a) very high speed (b) very high frequency (c) very high quality (d) very high amplitude.

Answer»

The ultrasound waves can penetrate into matter to a large extent because they have :

(a) very high speed (b) very high frequency (c) very high quality (d) very high amplitude.

Discussion

7556.	Question 20 You might have observed on a dry day that when you touch the screen of a television or computer monitor (with picture tube), you get a slight shock. Why does it happen?
Answer» Question 20 You might have observed on a dry day that when you touch the screen of a television or computer monitor (with picture tube), you get a slight shock. Why does it happen?

7556.

Question 20 You might have observed on a dry day that when you touch the screen of a television or computer monitor (with picture tube), you get a slight shock. Why does it happen?

Answer»

Question 20

You might have observed on a dry day that when you touch the screen of a television or computer monitor (with picture tube), you get a slight shock. Why does it happen?

Discussion

7557.	If light is a form of wave, can we change its characteristics by altering its wavelength, magnitude,etc.? Can even a ray of light penetrate mirror? Is it just photons that make up light? How does light bend under gravitational force?
Answer» If light is a form of wave, can we change its characteristics by altering its wavelength, magnitude,etc.? Can even a ray of light penetrate mirror? Is it just photons that make up light? How does light bend under gravitational force?

Discussion

7558.	___ Pa is the pressure at a depth of 9m below the surface of the water tank. The density of water is 1000kg/m3.
Answer» ___ $P a$ is the pressure at a depth of $9 m$ below the surface of the water tank. The density of water is $1000 k g / m^{3}$ .

Discussion

7559.	A tube has two openings at the same level in its wall. The openings are covered with rubber diaphragms and water is poured into the tube. What can you say about the bulge of two diaphragms?
Answer» A tube has two openings at the same level in its wall. The openings are covered with rubber diaphragms and water is poured into the tube. What can you say about the bulge of two diaphragms?

Discussion

7560.	I had a question regarding the chap. Stars and the solar system How is the distance between earth and sun maintained?i mean why doesn't the earth get pulled away by the gravity of sun or other planets?
Answer» I had a question regarding the chap. Stars and the solar system How is the distance between earth and sun maintained?i mean why doesn't the earth get pulled away by the gravity of sun or other planets?

Discussion

7561.	(a) Draw a labelled diagram showing how a plane mirror forms an image of a point object placed in front of it. (b) State the characteristics of the image formed in a plane mirror.
Answer» (a) Draw a labelled diagram showing how a plane mirror forms an image of a point object placed in front of it. (b) State the characteristics of the image formed in a plane mirror.

7561.

(a) Draw a labelled diagram showing how a plane mirror forms an image of a point object placed in front of it. (b) State the characteristics of the image formed in a plane mirror.

Answer»

(a) Draw a labelled diagram showing how a plane mirror forms an image of a point object placed in front of it.

(b) State the characteristics of the image formed in a plane mirror.

Discussion

7562.	The area of the given figure will be ___. Note: All measurements are in metres
Answer» The area of the given figure will be ___. Note: All measurements are in metres

7562.

The area of the given figure will be ___. Note: All measurements are in metres

Answer»

The area of the given figure will be ___.

Note: All measurements are in metres

Discussion

7563.	The buildup of electrical charges on a material is called ____.
Answer» The buildup of electrical charges on a material is called ____.

Discussion

7564.	If 0.06 (x - 5) = 0.04 (x + 8) then x is equal to _____.
Answer» If 0.06 (x - 5) = 0.04 (x + 8) then x is equal to _____.

Discussion

7565.	What are the weak zones along the boundaries of the plate where earthquakes are more likely to occur known as?
Answer» What are the weak zones along the boundaries of the plate where earthquakes are more likely to occur known as?

Discussion

7566.	Sound quality is also termed as:
Answer» Sound quality is also termed as:

7566.

Sound quality is also termed as:

Answer»

Sound quality is also termed as:

Discussion

7567.	The length of a tube is 5800 mm. What would be its length when expressed in S.I. units?5.8
Answer» The length of a tube is $5800 m m$ . What would be its length when expressed in S.I. units? 5.8

Discussion

7568.	Determine the surface tension forces in case a ring of radius 10cm is placed on a water surface(surface tension of water = 7×10−2N/m;π=227)
Answer» Determine the surface tension forces in case a ring of radius 10cm is placed on a water surface(surface tension of water = $7 \times 10^{- 2} N / m; π = \frac{22}{7}$ )

Discussion

7569.	Question 8 (iv) Fill in the blanks. (d) Electroplating of ___ is done on objects like water taps and cycle bell to give them a shiny appearance.
Answer» Question 8 (iv) Fill in the blanks. (d) Electroplating of ___ is done on objects like water taps and cycle bell to give them a shiny appearance.

Discussion

7570.	Why does venus rotates from east to west?
Answer» Why does venus rotates from east to west?

Discussion

7571.	A form of energy which produces a sensation in the ears is
Answer» A form of energy which produces a sensation in the ears is

7571.

A form of energy which produces a sensation in the ears is

Answer»

A form of energy which produces a sensation in the ears is

Discussion

7572.	1. A blacksmith hammers a hot peace of iron while making a tool. How does the force due to hammering affect the peace of iron?
Answer» 1. A blacksmith hammers a hot peace of iron while making a tool. How does the force due to hammering affect the peace of iron?

Discussion

7573.	If 4 cells are used to make a battery, then how many terminals would the battery have?
Answer» If 4 cells are used to make a battery, then how many terminals would the battery have?

Discussion

7574.	Can a whole number be negative
Answer» Can a whole number be negative

Discussion

7575.	The bottom of a glass filled with water appears to be raised when seen from above. Explain why?
Answer» The bottom of a glass filled with water appears to be raised when seen from above. Explain why?

Discussion

7576.	If you set up the ninth harmonic on a string fixed at both ends, its frequency compared to the seventh harmonic [AMU (Engg.) 2000]
Answer» If you set up the ninth harmonic on a string fixed at both ends, its frequency compared to the seventh harmonic [AMU (Engg.) 2000]

7576.

If you set up the ninth harmonic on a string fixed at both ends, its frequency compared to the seventh harmonic [AMU (Engg.) 2000]

Answer»

If you set up the ninth harmonic on a string fixed at both ends, its frequency

compared to the seventh harmonic

[AMU (Engg.) 2000]

Discussion

7577.	After being dispersed from a prism, the white light splits into seven colours. Then which colour will be refracted the most?
Answer» After being dispersed from a prism, the white light splits into seven colours. Then which colour will be refracted the most?

Discussion

7578.	Why does a lighting conductor has a pointed top
Answer» Why does a lighting conductor has a pointed top

Discussion

7579.	Which of the following scientists gave the idea of the existence of gravitational force ? (a) Einstein (b) James Watt (c) Faraday (d) Newton
Answer» Which of the following scientists gave the idea of the existence of gravitational force ? (a) Einstein (b) James Watt (c) Faraday (d) Newton

Discussion

7580.	What is the state of rest.
Answer» What is the state of rest.

Discussion

7581.	How did law that I=R is proved in diffused reflection
Answer» How did law that I=R is proved in diffused reflection

Discussion

7582.	Calculate the time period for tuning fork frequency of 0.0025 Hz.
Answer» Calculate the time period for tuning fork frequency of $0.0025 H z$ .

Discussion

7583.	Where is the image always formed by a concave lens?
Answer» Where is the image always formed by a concave lens?

Discussion

7584.	Name the material of a fuse wire.
Answer» Name the material of a fuse wire.

Discussion

7585.	Which kind of magnet can be stronger than a permanent magnet?
Answer» Which kind of magnet can be stronger than a permanent magnet?

Discussion

7586.	Write the numerical value of the atmospheric pressure on the surface of the earth in pascal.
Answer» Write the numerical value of the atmospheric pressure on the surface of the earth in pascal.

Discussion

7587.	John carried out an experiment to find out how different surfaces (P, Q, R and S) affect the braking efficiency of a car traveling at 50 km/h. The results are shown below. Type of road surfacesPQRSStopping distance18 m15 m19 m27 m Which type of road will provide the greatest frictional force for the car to stop?
Answer» John carried out an experiment to find out how different surfaces (P, Q, R and S) affect the braking efficiency of a car traveling at $50 k m / h$ . The results are shown below. $\begin{matrix} Type of road surfaces & P & Q & R & S Stopping distance & 18 m & 15 m & 19 m & 27 m \end{matrix}$ Which type of road will provide the greatest frictional force for the car to stop?

Discussion

7588.	What happens to the size of the pupil of our eye in bright light?
Answer» What happens to the size of the pupil of our eye in bright light?

Discussion

7589.	Q72. Which of the following is sub sonic cruise missile?
Answer» Q72. Which of the following is sub sonic cruise missile?

Discussion

7590.	What are all the forces acting on a sprinter while running? [2 MARKS]
Answer» What are all the forces acting on a sprinter while running? [2 MARKS]

Discussion

7591.	What is the difference between Richter scale and seismograph?
Answer» What is the difference between Richter scale and seismograph?

Discussion

7592.	The following graph represents the motion of an object. The object is ___.
Answer» The following graph represents the motion of an object. The object is ___.

7592.

The following graph represents the motion of an object. The object is ___.

Answer»

The following graph represents the motion of an object. The object is ___.

Discussion

7593.	We say that rolling friction is smaller than static friction what does smaller mean?
Answer» We say that rolling friction is smaller than static friction what does smaller mean?

Discussion

7594.	A net force F is required to give an object with mass m an acceleration a. If a net force 6F is applied to an object with mass 2m, what is the acceleration on this object?
Answer» A net force F is required to give an object with mass m an acceleration a. If a net force 6F is applied to an object with mass 2m, what is the acceleration on this object?

Discussion

7595.	Which of the following substances can cause a fire?
Answer» Which of the following substances can cause a fire?

Discussion

7596.	Two specific heats of a perfect gas are related by:
Answer» Two specific heats of a perfect gas are related by:

Discussion

7597.	How can sound travel in transverse waves in solids but not in liquids or gases?
Answer» How can sound travel in transverse waves in solids but not in liquids or gases?

Discussion

7598.	How or when can an electric discharge occur?
Answer» How or when can an electric discharge occur?

Discussion

7599.	List 3 features of each planet of solar system.
Answer» List 3 features of each planet of solar system.

Discussion

7600.	Which of the following is/are true?
Answer» Which of the following is/are true?

Discussion

Explore topic-wise InterviewSolutions in .

Particle vibration in solids is important for___.

Which planet's orbit will enclose more area?

An object is falling from a terrace of height 20m. At what point does it have maximum kinetic energy?

A body is moving in the direction opposite to the direction of force acting on it. The work done ___.

The ultrasound waves can penetrate into matter to a large extent because they have : (a) very high speed (b) very high frequency (c) very high quality (d) very high amplitude.

Question 20 You might have observed on a dry day that when you touch the screen of a television or computer monitor (with picture tube), you get a slight shock. Why does it happen?

If light is a form of wave, can we change its characteristics by altering its wavelength, magnitude,etc.? Can even a ray of light penetrate mirror? Is it just photons that make up light? How does light bend under gravitational force?

___ Pa is the pressure at a depth of 9m below the surface of the water tank. The density of water is 1000kg/m3.

A tube has two openings at the same level in its wall. The openings are covered with rubber diaphragms and water is poured into the tube. What can you say about the bulge of two diaphragms?

I had a question regarding the chap. Stars and the solar system How is the distance between earth and sun maintained?i mean why doesn't the earth get pulled away by the gravity of sun or other planets?

(a) Draw a labelled diagram showing how a plane mirror forms an image of a point object placed in front of it. (b) State the characteristics of the image formed in a plane mirror.

The area of the given figure will be ___. Note: All measurements are in metres

The buildup of electrical charges on a material is called ____.

If 0.06 (x - 5) = 0.04 (x + 8) then x is equal to _____.

What are the weak zones along the boundaries of the plate where earthquakes are more likely to occur known as?

Sound quality is also termed as:

The length of a tube is 5800 mm. What would be its length when expressed in S.I. units?5.8

Determine the surface tension forces in case a ring of radius 10cm is placed on a water surface(surface tension of water = 7×10−2N/m;π=227)

Question 8 (iv) Fill in the blanks. (d) Electroplating of ___ is done on objects like water taps and cycle bell to give them a shiny appearance.

Why does venus rotates from east to west?

A form of energy which produces a sensation in the ears is

1. A blacksmith hammers a hot peace of iron while making a tool. How does the force due to hammering affect the peace of iron?

If 4 cells are used to make a battery, then how many terminals would the battery have?

Can a whole number be negative

The bottom of a glass filled with water appears to be raised when seen from above. Explain why?

If you set up the ninth harmonic on a string fixed at both ends, its frequency compared to the seventh harmonic [AMU (Engg.) 2000]

After being dispersed from a prism, the white light splits into seven colours. Then which colour will be refracted the most?

Why does a lighting conductor has a pointed top

Which of the following scientists gave the idea of the existence of gravitational force ? (a) Einstein (b) James Watt (c) Faraday (d) Newton

What is the state of rest.

How did law that I=R is proved in diffused reflection

Calculate the time period for tuning fork frequency of 0.0025 Hz.

Where is the image always formed by a concave lens?

Name the material of a fuse wire.

Which kind of magnet can be stronger than a permanent magnet?

Write the numerical value of the atmospheric pressure on the surface of the earth in pascal.

What happens to the size of the pupil of our eye in bright light?

Q72. Which of the following is sub sonic cruise missile?

What are all the forces acting on a sprinter while running? [2 MARKS]

What is the difference between Richter scale and seismograph?

The following graph represents the motion of an object. The object is ___.

We say that rolling friction is smaller than static friction what does smaller mean?

A net force F is required to give an object with mass m an acceleration a. If a net force 6F is applied to an object with mass 2m, what is the acceleration on this object?

Which of the following substances can cause a fire?

Two specific heats of a perfect gas are related by:

How can sound travel in transverse waves in solids but not in liquids or gases?

How or when can an electric discharge occur?

List 3 features of each planet of solar system.

Which of the following is/are true?