3752 + Interview Questions in Physics Page 7 InterviewSolution

301.	Give two examples each of friction acting as a friend and a foe.
Answer» Give two examples each of friction acting as a friend and a foe.

Discussion

302.	what is the meaning of d(In u)/du
Answer» what is the meaning of d(In u)/du

Discussion

303.	Which muscles help in the movement of stomach wall?
Answer» Which muscles help in the movement of stomach wall?

Discussion

304.	Find the odd one out based on their units of measurement.
Answer» Find the odd one out based on their units of measurement.

Discussion

305.	Question 35Fill in the blanks to make the statements true.1 m3= ___ cm3
Answer» Question 35 Fill in the blanks to make the statements true. $1 m^{3} =$ ___ $c m^{3}$

305.

Question 35Fill in the blanks to make the statements true.1 m3= ___ cm3

Answer»

Question 35

Fill in the blanks to make the statements true.

$1 m^{3} =$ ___ $c m^{3}$

Discussion

306.	64 How to draw the resonating structures?
Answer» 64 How to draw the resonating structures?

Discussion

307.	In the manufacture of NO,the reaction ofN2 and O2 to form NO is favourable if :-
Answer» In the manufacture of NO,the reaction ofN2 and O2 to form NO is favourable if :-

Discussion

308.	Draw a neat labelled diagram showing a pulley being used to lift a load. How are load and effort related in an ideal situation?
Answer» Draw a neat labelled diagram showing a pulley being used to lift a load. How are load and effort related in an ideal situation?

Discussion

309.	Suppose you accidently spill soapy water on a marble floor. Which of the following statements is correct?
Answer» Suppose you accidently spill soapy water on a marble floor. Which of the following statements is correct?

Discussion

310.	Current in a circuit flows from the positive terminal of a cell to the negative terminal. In which direction does the current flow inside the cell?
Answer» Current in a circuit flows from the positive terminal of a cell to the negative terminal. In which direction does the current flow inside the cell?

Discussion

311.	In YDSE the Y co-ordinates ofcentral maxima and 10th maxima are 2cm and 5cm respectively. When YDSE appratus is immersed in a liquid of refractive index 1.5. The corresponding Y co-ordinates will be - 1)4cm, 7.5cm 2)3cm, 6cm 3)2cm,4cm 4)4/3cm,10/3cm
Answer» In YDSE the Y co-ordinates ofcentral maxima and 10th maxima are 2cm and 5cm respectively. When YDSE appratus is immersed in a liquid of refractive index 1.5. The corresponding Y co-ordinates will be - 1)4cm, 7.5cm 2)3cm, 6cm 3)2cm,4cm 4)4/3cm,10/3cm

Discussion

312.	11.A pendulum is hung from the roof of a sufficiently high building and is moving freely to and from like a simple harmonic oscillator . The acceleration of the Bob of the pendulum is 20ms at a distance of 5m from the mean position. The time period of oscillation is
Answer» 11.A pendulum is hung from the roof of a sufficiently high building and is moving freely to and from like a simple harmonic oscillator . The acceleration of the Bob of the pendulum is 20ms at a distance of 5m from the mean position. The time period of oscillation is

Discussion

313.	Which of the following is the unit of speed?
Answer» Which of the following is the unit of speed?

Discussion

314.	What is parallax error?
Answer» What is parallax error?

Discussion

315.	Name the two kinds of motion that the earth has.
Answer» Name the two kinds of motion that the earth has.

Discussion

316.	Which of the following is an example of bioluminescence ?
Answer» Which of the following is an example of bioluminescence ?

Discussion

317.	Question 1 (v) Fill in the blank in the following. A magnet always has ___ poles.
Answer» Question 1 (v) Fill in the blank in the following. A magnet always has ___ poles.

317.

Question 1 (v) Fill in the blank in the following. A magnet always has ___ poles.

Answer»

Question 1 (v)

Fill in the blank in the following.
A magnet always has ___ poles.

Discussion

318.	A uniform rod of length l hinged at lower end is free to rotate in the vertical plane. If the rod is held vertically in beginning and released then angular acceleration of the rod at the instant when it makes an angle with 45° with the horizontal for first time
Answer» A uniform rod of length l hinged at lower end is free to rotate in the vertical plane. If the rod is held vertically in beginning and released then angular acceleration of the rod at the instant when it makes an angle with 45° with the horizontal for first time

Discussion

319.	A wave in which the particles move parallel to the direction of propogation of the wave is known as___wave.
Answer» A wave in which the particles move parallel to the direction of propogation of the wave is known as___wave.

Discussion

320.	Two balls with like charges are suspended freely as shown in the figure. Which of the following depicts the behavior of the balls?
Answer» Two balls with like charges are suspended freely as shown in the figure. Which of the following depicts the behavior of the balls?

Discussion

321.	Explain R and S Nomenclature in detail
Answer» Explain R and S Nomenclature in detail

Discussion

322.	If pressure ‘p’,velocity’v’ and time ‘T’ are taken as fundamental physical quantities,what will the dimensional formula of force?
Answer» If pressure ‘p’,velocity’v’ and time ‘T’ are taken as fundamental physical quantities,what will the dimensional formula of force?

Discussion

323.	39.In a circuit L, C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage by 45^° . The value of C is
Answer» 39.In a circuit L, C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage by 45^° . The value of C is

Discussion

324.	72. Consider the system shown below A horizontal force F is applied to a block X of mass 8 kg such that the block Y of mass 2kg adjacent to it does not slip downwards under gravity. There is no friction between the horizontal plane and the base of the block X. The coefficient of friction between the surfaces of blocks X and Y is 0.5. Take acceleration due to gravity to be 10ms-2. The minimum value of F is (A) 200N (B) 160N (C) 40N (D) 240N
Answer» 72. Consider the system shown below A horizontal force F is applied to a block X of mass 8 kg such that the block Y of mass 2kg adjacent to it does not slip downwards under gravity. There is no friction between the horizontal plane and the base of the block X. The coefficient of friction between the surfaces of blocks X and Y is 0.5. Take acceleration due to gravity to be 10ms-2. The minimum value of F is (A) 200N (B) 160N (C) 40N (D) 240N

Discussion

325.	37.a weightless thread can support T =30 N. m=0.5kg r=2m g=10 Find maximum angular velocity
Answer» 37.a weightless thread can support T =30 N. m=0.5kg r=2m g=10 Find maximum angular velocity

Discussion

326.	A satellite moves in a circular orbit around the earth. the radius of this orbit is one half that of moon's orbit. find the time in which the satellite completes one revolution. Give the solution also
Answer» A satellite moves in a circular orbit around the earth. the radius of this orbit is one half that of moon's orbit. find the time in which the satellite completes one revolution. Give the solution also

Discussion

327.	The weight of a shipment truck is 5 tonne and 500 kg. Choose the weight in kilograms.
Answer» $The weight of a shipment truck is 5 tonne$ $and 500 kg. Choose the weight in$ $kilograms.$

Discussion

328.	Why do we see this happening? (a) People look up when an aeroplane passes overhead, high up in the sky. (b) When a beam of light flashes on the eyes, the eyes close quickly. (c) When there is the slightest sound, a cat pricks up its ears. (d) If somebody shouts suddenly right behind us, we get startled.
Answer» Why do we see this happening? (a) People look up when an aeroplane passes overhead, high up in the sky. (b) When a beam of light flashes on the eyes, the eyes close quickly. (c) When there is the slightest sound, a cat pricks up its ears. (d) If somebody shouts suddenly right behind us, we get startled.

328.

Why do we see this happening? (a) People look up when an aeroplane passes overhead, high up in the sky. (b) When a beam of light flashes on the eyes, the eyes close quickly. (c) When there is the slightest sound, a cat pricks up its ears. (d) If somebody shouts suddenly right behind us, we get startled.

Answer»

Why do we see this happening?

(a) People look up when an aeroplane passes overhead, high up in the sky.

(b) When a beam of light flashes on the eyes, the eyes close quickly.

(c) When there is the slightest sound, a cat pricks up its ears.

(d) If somebody shouts suddenly right behind us, we get startled.

Discussion

329.	Why is the distance between stars expressed in light years ? What do you understand by the statement that a star is eight light years away from the earth
Answer» Why is the distance between stars expressed in light years ? What do you understand by the statement that a star is eight light years away from the earth

Discussion

330.

Match the following A B (a) a hectare 1. 1000 ml (b) a quintal 2. 10,000 sq m (c) a metric ton 3. 100 kg (d) a litre 4. 1000 kg

Answer»

Match the following

A		B
(a)	a hectare		1.	1000 ml
(b)	a quintal		2.	10,000 sq m
(c)	a metric ton		3.	100 kg
(d)	a litre		4.	1000 kg

Discussion

331.	Give an example each of a situation where:(a) accurate measurement is necessary(b) accurate measurement is not necessary and only estimation is required Give reasons.
Answer» Give an example each of a situation where: (a) accurate measurement is necessary (b) accurate measurement is not necessary and only estimation is required Give reasons.

Discussion

332.	13.The mass of the earth is 80 times the mass of the moon and the distance between their centres is 60 times the radius of the earth. How far is the centre of mass of the earth-moon system from the earth?The radius of the earth is 6400km.
Answer» 13.The mass of the earth is 80 times the mass of the moon and the distance between their centres is 60 times the radius of the earth. How far is the centre of mass of the earth-moon system from the earth?The radius of the earth is 6400km.

Discussion

333.	Which of the following is a celestial body that revolves around a planet?
Answer» Which of the following is a celestial body that revolves around a planet?

Discussion

334.	Question 13 You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
Answer» Question 13 You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.

334.

Question 13 You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.

Answer»

Question 13

You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.

Discussion

335.	Question 16 Match the events related to motion in Column I with the types of motions given in Column II. COLUMN II COLUMN II(a) A moving wheel of a(i) Circular motion sewing machine(b) Movement of tip of the minute(ii) Rotational motion hand of a clock in one hour(c) A moving swing(iii) Periodic motion
Answer» Question 16 Match the events related to motion in Column I with the types of motions given in Column II. $\begin{matrix} COLUMN II & COLUMN II (a) A moving wheel of a & (i) Circular motion sewing machine (b) Movement of tip of the minute & (ii) Rotational motion hand of a clock in one hour (c) A moving swing & (iii) Periodic motion \end{matrix}$

335.

Question 16 Match the events related to motion in Column I with the types of motions given in Column II. COLUMN II COLUMN II(a) A moving wheel of a(i) Circular motion sewing machine(b) Movement of tip of the minute(ii) Rotational motion hand of a clock in one hour(c) A moving swing(iii) Periodic motion

Answer»

Question 16

Match the events related to motion in Column I with the types of motions given in Column II.
$\begin{matrix} COLUMN II & COLUMN II (a) A moving wheel of a & (i) Circular motion sewing machine (b) Movement of tip of the minute & (ii) Rotational motion hand of a clock in one hour (c) A moving swing & (iii) Periodic motion \end{matrix}$

Discussion

336.	Thomas made a beautiful bookmark with the dimensions given below.The area of the bookmark is sq cm
Answer» Thomas made a beautiful bookmark with the dimensions given below. The area of the bookmark is $s q c m$

Discussion

337.	Moon completes one revolution around earth in approximately ___days
Answer» Moon completes one revolution around earth in approximately ___days

Discussion

338.	What do you mean by gravitational force. Give an short example to illustrate it
Answer» What do you mean by gravitational force. Give an short example to illustrate it

Discussion

339.	Is moon luminous or non luminous?
Answer» Is moon luminous or non luminous?

Discussion

340.	As shown in the figure, region BCDEF and ABFGare of refractive index 2.0 and 1.5 respectively. A particle O is kept at themid of region BCEF. Final image of the object as seen by the eye is at adistance (curved part is a spherical one of radius 10 cm)
Answer» As shown in the figure, region BCDEF and ABFG are of refractive index 2.0 and 1.5 respectively. A particle O is kept at the mid of region BCEF. Final image of the object as seen by the eye is at a distance (curved part is a spherical one of radius 10 cm)

340.

As shown in the figure, region BCDEF and ABFGare of refractive index 2.0 and 1.5 respectively. A particle O is kept at themid of region BCEF. Final image of the object as seen by the eye is at adistance (curved part is a spherical one of radius 10 cm)

Answer»

As shown in the figure, region BCDEF and ABFG
are of refractive index 2.0 and 1.5 respectively. A particle O is kept at the
mid of region BCEF. Final image of the object as seen by the eye is at a
distance (curved part is a spherical one of radius 10 cm)

Discussion

341.	What will be the molality of chloroform in the watersample which contains 15 ppm chloroform by mass?(а) 1.25 x 10-4 m(c) 1.5 x 10-3 m2.5 x 10-4 m(b)(d) 1.25 x 10 m'Y tolut
Answer» What will be the molality of chloroform in the watersample which contains 15 ppm chloroform by mass?(а) 1.25 x 10-4 m(c) 1.5 x 10-3 m2.5 x 10-4 m(b)(d) 1.25 x 10 m'Y tolut

Discussion

342.	Which of the following vehicles will face the least air drag while moving at the same speed?
Answer» Which of the following vehicles will face the least air drag while moving at the same speed?

Discussion

343.	Is it possible to see through an object that does not allow light to pass through it? What are such object called?
Answer» Is it possible to see through an object that does not allow light to pass through it? What are such object called?

Discussion

344.	If the speed of an object is doubled, its kinetic energy is
Answer» If the speed of an object is doubled, its kinetic energy is

Discussion

345.	In acompletely dark room, if you hold up a mirror in front of you, willyou see your reflection in the mirror?
Answer» In a completely dark room, if you hold up a mirror in front of you, will you see your reflection in the mirror?

Discussion

346.	Differentiate Umbra and Penumbra.
Answer» Differentiate Umbra and Penumbra.

Discussion

347.	How can we protect our eyes while looking at a strong source of light?
Answer» How can we protect our eyes while looking at a strong source of light?

Discussion

348.	A spinning top is an example for ___ Motion.
Answer» A spinning top is an example for ___ Motion.

348.

A spinning top is an example for ___ Motion.

Answer»

A spinning top is an example for ___ Motion.

Discussion

349.	Difference between accuracy and precise
Answer» Difference between accuracy and precise

Discussion

350.	the ratio of fundamental frequency of an organ pipe opened at both ends to that of the organ pipe closed at one end i
Answer» the ratio of fundamental frequency of an organ pipe opened at both ends to that of the organ pipe closed at one end i

Discussion

Explore topic-wise InterviewSolutions in .

Give two examples each of friction acting as a friend and a foe.

what is the meaning of d(In u)/du

Which muscles help in the movement of stomach wall?

Find the odd one out based on their units of measurement.

Question 35Fill in the blanks to make the statements true.1 m3= ___ cm3

64 How to draw the resonating structures?

In the manufacture of NO,the reaction ofN2 and O2 to form NO is favourable if :-

Draw a neat labelled diagram showing a pulley being used to lift a load. How are load and effort related in an ideal situation?

Suppose you accidently spill soapy water on a marble floor. Which of the following statements is correct?

Current in a circuit flows from the positive terminal of a cell to the negative terminal. In which direction does the current flow inside the cell?

In YDSE the Y co-ordinates ofcentral maxima and 10th maxima are 2cm and 5cm respectively. When YDSE appratus is immersed in a liquid of refractive index 1.5. The corresponding Y co-ordinates will be - 1)4cm, 7.5cm 2)3cm, 6cm 3)2cm,4cm 4)4/3cm,10/3cm

11.A pendulum is hung from the roof of a sufficiently high building and is moving freely to and from like a simple harmonic oscillator . The acceleration of the Bob of the pendulum is 20ms at a distance of 5m from the mean position. The time period of oscillation is

Which of the following is the unit of speed?

What is parallax error?

Name the two kinds of motion that the earth has.

Which of the following is an example of bioluminescence ?

Question 1 (v) Fill in the blank in the following. A magnet always has ___ poles.

A uniform rod of length l hinged at lower end is free to rotate in the vertical plane. If the rod is held vertically in beginning and released then angular acceleration of the rod at the instant when it makes an angle with 45° with the horizontal for first time

A wave in which the particles move parallel to the direction of propogation of the wave is known as___wave.

Two balls with like charges are suspended freely as shown in the figure. Which of the following depicts the behavior of the balls?

Explain R and S Nomenclature in detail

If pressure ‘p’,velocity’v’ and time ‘T’ are taken as fundamental physical quantities,what will the dimensional formula of force?

39.In a circuit L, C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage by 45^° . The value of C is

37.a weightless thread can support T =30 N. m=0.5kg r=2m g=10 Find maximum angular velocity

A satellite moves in a circular orbit around the earth. the radius of this orbit is one half that of moon's orbit. find the time in which the satellite completes one revolution. Give the solution also

The weight of a shipment truck is 5 tonne and 500 kg. Choose the weight in kilograms.

Why is the distance between stars expressed in light years ? What do you understand by the statement that a star is eight light years away from the earth

Match the following A B (a) a hectare 1. 1000 ml (b) a quintal 2. 10,000 sq m (c) a metric ton 3. 100 kg (d) a litre 4. 1000 kg

Give an example each of a situation where:(a) accurate measurement is necessary(b) accurate measurement is not necessary and only estimation is required Give reasons.

13.The mass of the earth is 80 times the mass of the moon and the distance between their centres is 60 times the radius of the earth. How far is the centre of mass of the earth-moon system from the earth?The radius of the earth is 6400km.

Which of the following is a celestial body that revolves around a planet?

Question 13 You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.

Thomas made a beautiful bookmark with the dimensions given below.The area of the bookmark is sq cm

Moon completes one revolution around earth in approximately ___days

What do you mean by gravitational force. Give an short example to illustrate it

Is moon luminous or non luminous?

As shown in the figure, region BCDEF and ABFGare of refractive index 2.0 and 1.5 respectively. A particle O is kept at themid of region BCEF. Final image of the object as seen by the eye is at adistance (curved part is a spherical one of radius 10 cm)

What will be the molality of chloroform in the watersample which contains 15 ppm chloroform by mass?(а) 1.25 x 10-4 m(c) 1.5 x 10-3 m2.5 x 10-4 m(b)(d) 1.25 x 10 m'Y tolut

Which of the following vehicles will face the least air drag while moving at the same speed?

Is it possible to see through an object that does not allow light to pass through it? What are such object called?

If the speed of an object is doubled, its kinetic energy is

In acompletely dark room, if you hold up a mirror in front of you, willyou see your reflection in the mirror?

Differentiate Umbra and Penumbra.

How can we protect our eyes while looking at a strong source of light?

A spinning top is an example for ___ Motion. ​​

Difference between accuracy and precise

the ratio of fundamental frequency of an organ pipe opened at both ends to that of the organ pipe closed at one end i

A spinning top is an example for ___ Motion.