6277 + Interview Questions in Physics Page 72 InterviewSolution

3551.	A force of 3 ICAP - 1.5 j cap Newton acts on a 2 kg body at an instant when the body is at the position 3 ICAP - 4 j cap metre and is travelling at the speed of 4 metre per second the force acts on the body until it is at position to ICAP + 4 j cap metre find the speed of the body is
Answer» A force of 3 ICAP - 1.5 j cap Newton acts on a 2 kg body at an instant when the body is at the position 3 ICAP - 4 j cap metre and is travelling at the speed of 4 metre per second the force acts on the body until it is at position to ICAP + 4 j cap metre find the speed of the body is

Discussion

3552.	The displacement 'x and time of travel 't' for a particle moving on a straight line are related as t =\sqrt{x-1}\sqrt{x-1}. Its acceleration at a time t is
Answer» The displacement 'x and time of travel 't' for a particle moving on a straight line are related as t =\sqrt{x-1}\sqrt{x-1}. Its acceleration at a time t is

Discussion

3553.	Name the force responsible for the stability of the nucleia. Strong Nuclear Forceb. Weak Nuclear Forcec. Electromagnetic Forced. Centripetal Force
Answer» Name the force responsible for the stability of the nuclei a. Strong Nuclear Force b. Weak Nuclear Force c. Electromagnetic Force d. Centripetal Force

Discussion

3554.	Analyse the following situations when 'X' and 'Y' go to sleep at night:'X' switches ON the AC and sets a timer so that it automatically goes off after half an hour.'Y' switches ON the AC and sleeps. It runs until the morning when he wakes up.Who is conservative? 'X' or 'Y'?
Answer» Analyse the following situations when 'X' and 'Y' go to sleep at night: 'X' switches ON the AC and sets a timer so that it automatically goes off after half an hour. 'Y' switches ON the AC and sleeps. It runs until the morning when he wakes up. Who is conservative? 'X' or 'Y'?

Discussion

3555.	Explain the difference between a transparent, translucent and an opaque medium. Give two examples of each.
Answer» Explain the difference between a transparent, translucent and an opaque medium. Give two examples of each.

Discussion

3556.	The initial temperatures of two bodies B and C were T1 and T2 respectively. Now, they are brought into contact and heat starts flowing from C to B until their temperature reaches T, then which of the following are true?
Answer» The initial temperatures of two bodies B and C were $T_{1}$ and $T_{2}$ respectively. Now, they are brought into contact and heat starts flowing from C to B until their temperature reaches $T$ , then which of the following are true?

Discussion

3557.	Question 12The displacement of a moving object in a given interval of time is zero. Would the distance travelled by the object also be zero? Justify your answer
Answer» Question 12 The displacement of a moving object in a given interval of time is zero. Would the distance travelled by the object also be zero? Justify your answer

Discussion

3558.	If the number of waves in 1metre is 100 which moves with 100kilometre/second . Find the frequency and time period .
Answer» If the number of waves in 1metre is 100 which moves with 100kilometre/second . Find the frequency and time period .

Discussion

3559.	Why are freezers placed on the top of refrigerators?
Answer» Why are freezers placed on the top of refrigerators?

Discussion

3560.	How does the digital thermometer measure temperature ?
Answer» How does the digital thermometer measure temperature ?

Discussion

3561.	Which of the following are true regarding clouds during a thunderstorm?
Answer» Which of the following are true regarding clouds during a thunderstorm?

Discussion

3562.	32. When a 0.1kg of metal A at 52 degree celsius is placed in 0.3kg of some liquid B at 10 degree celsius, the final temperature is 16 degree celsius.Assume that all of the relevent heat capacities do not depend on temperatures and there is no heat loss.What is the final temperature when 0.2kg metal A at 60 degree celsius is placed in 0.5kg of liquid B at 12 degree celsius? A 20 B 36 C 28 D 42
Answer» 32. When a 0.1kg of metal A at 52 degree celsius is placed in 0.3kg of some liquid B at 10 degree celsius, the final temperature is 16 degree celsius.Assume that all of the relevent heat capacities do not depend on temperatures and there is no heat loss.What is the final temperature when 0.2kg metal A at 60 degree celsius is placed in 0.5kg of liquid B at 12 degree celsius? A 20 B 36 C 28 D 42

Discussion

3563.	We can see objects when light reflects and fall on our eyes. Why can't wall act as a mirror since it also reflects light and fall on our eyes?
Answer» We can see objects when light reflects and fall on our eyes. Why can't wall act as a mirror since it also reflects light and fall on our eyes?

Discussion

3564.	<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->NASA’s Deep Impact space mission was employed totake detailed pictures of which comet nucleus?
Answer» <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> NASA’s Deep Impact space mission was employed to take detailed pictures of which comet nucleus?

Discussion

3565.	A light ray is incident perpendicularly to one face of a 900prism and is totally internally reflected at the glass-air interface.If the angle of reflection is 450, we conclude that the refractive index 'n' will beDiagram
Answer» A light ray is incident perpendicularly to one face of a $90^{0}$ prism and is totally internally reflected at the glass-air interface. If the angle of reflection is $45^{0}$ , we conclude that the refractive index 'n' will be Diagram

Discussion

3566.	A train slows down on applying brakes. Which of the following depicts the energy transformation that takes place?
Answer» A train slows down on applying brakes. Which of the following depicts the energy transformation that takes place?

Discussion

3567.	What are essential conditions for development of thunderstorm?
Answer» What are essential conditions for development of thunderstorm?

Discussion

3568.	A moving iron ammeter produces a full scale torque of 240μNm with deflections of 120∘ at a current of 10 A. The rate of change of self inductance (μH/radian) of the instrument at full scale is
Answer» A moving iron ammeter produces a full scale torque of $240 μ N m$ with deflections of $120^{\circ}$ at a current of 10 A. The rate of change of self inductance $(μ H / r a d i a n)$ of the instrument at full scale is

Discussion

3569.	Two metallic objects A and B, are brought in contact, but there is no heat transfer between them. What is the possible reason for such an observation?
Answer» Two metallic objects A and B, are brought in contact, but there is no heat transfer between them. What is the possible reason for such an observation?

Discussion

3570.	How do digital thermometer works
Answer» How do digital thermometer works

Discussion

3571.	When the switch is in ON condition, the circuit is :
Answer» When the switch is in ON condition, the circuit is :

Discussion

3572.	Magnetic flux linked with an inductor increases from 0 and x, as the current in the inductor increases from 0 to y.Magnetic every stored in the inductor is
Answer» Magnetic flux linked with an inductor increases from 0 and x, as the current in the inductor increases from 0 to y.Magnetic every stored in the inductor is

Discussion

3573.	A body moving along a straight line covers a distance in three equal parts with Speed 2 metre per second 3 metre per second and 4 metre per second then its average speed is
Answer» A body moving along a straight line covers a distance in three equal parts with Speed 2 metre per second 3 metre per second and 4 metre per second then its average speed is

Discussion

3574.	The charge on a proton is equal to:
Answer» The charge on a proton is equal to:

Discussion

3575.	why water is liquid in room temperature
Answer» why water is liquid in room temperature

Discussion

3576.	An object travels 16meter in 4sec. And then another 16meter in 2 sec. What is the average speed of the object.
Answer» An object travels 16meter in 4sec. And then another 16meter in 2 sec. What is the average speed of the object.

Discussion

3577.	18. Find the equilibrium constant for the reaction, Cu(s)+ Cu2+(aq) ➡ 2Cu+(aq). E Cu2+/Cu=0.34, E Cu2+/Cu+=0.15 (Given log 3.72=5.71)
Answer» 18. Find the equilibrium constant for the reaction, Cu(s)+ Cu2+(aq) ➡ 2Cu+(aq). E Cu2+/Cu=0.34, E Cu2+/Cu+=0.15 (Given log 3.72=5.71)

Discussion

3578.	assertion if relative velocity btw two bodies a and b is cons†an t then both bodies have equal acceleration reason rate of change of dis†an cr btw two bodies is known as relative velocit
Answer» assertion if relative velocity btw two bodies a and b is cons†an t then both bodies have equal acceleration reason rate of change of dis†an cr btw two bodies is known as relative velocit

Discussion

3579.	Equal molecules of N2 and O2 are kept in a closed container at pressure P. If N2 is removed from the system, then the pressure of the container will beOptions:a) Pb) P/2c) P/4d) 2P
Answer» Equal molecules of N2 and O2 are kept in a closed container at pressure P. If N2 is removed from the system, then the pressure of the container will be Options: a) P b) P/2 c) P/4 d) 2P

Discussion

3580.	When acceleration is in opposite direction to velocity, ___ .
Answer» When acceleration is in opposite direction to velocity, ___ .

Discussion

3581.	When are two objects said to be in thermal equilibrium ?
Answer» When are two objects said to be in thermal equilibrium ?

Discussion

3582.	Find the product of all the divisors of 1440 and express it in the form of power of 2
Answer» Find the product of all the divisors of 1440 and express it in the form of power of 2

Discussion

3583.	80.One billion electrons pass a certain point in a micro second. This corresponds to current of?
Answer» 80.One billion electrons pass a certain point in a micro second. This corresponds to current of?

Discussion

3584.	Radha's grandma was ill. The doctor has given her a bottle of medicine containing 250 mL of medicine and told her to take it for the next 25 days. How much medicine should she take each day?
Answer» Radha's grandma was ill. The doctor has given her a bottle of medicine containing 250 mL of medicine and told her to take it for the next 25 days. How much medicine should she take each day?

Discussion

3585.	Q. Write four properties of magnetic field (in various types of magnets)
Answer» Q. Write four properties of magnetic field (in various types of magnets)

Discussion

3586.	How can two similar charge be together
Answer» How can two similar charge be together

Discussion

3587.	Whether the body temperature can be measured by keeping the thermometer at some place other than mouth?
Answer» Whether the body temperature can be measured by keeping the thermometer at some place other than mouth?

Discussion

3588.	In case if venturimeter how the pressure inside the vessel is considered for measuring pressure difference in the U tube as the fluid flows in vessel and the pressure which we consider on one cross section is horizontal and the opening of U tube is vertical
Answer» In case if venturimeter how the pressure inside the vessel is considered for measuring pressure difference in the U tube as the fluid flows in vessel and the pressure which we consider on one cross section is horizontal and the opening of U tube is vertical

Discussion

3589.	Why are there holes at the bottom of a lantern?
Answer» Why are there holes at the bottom of a lantern?

Discussion

3590.	The image of a coin kept inside still water as seen from above the water surface is a _____.
Answer» The image of a coin kept inside still water as seen from above the water surface is a _____.

Discussion

3591.	Choose the incorrect match and give reasons for your answer. 1. m/s - velocity 2. m/s^2 - acceleration 3. light year - distance 4. m^2/s - displacement
Answer» Choose the incorrect match and give reasons for your answer. 1. m/s - velocity 2. m/s^2 - acceleration 3. light year - distance 4. m^2/s - displacement

3591.

Choose the incorrect match and give reasons for your answer. 1. m/s - velocity 2. m/s^2 - acceleration 3. light year - distance 4. m^2/s - displacement

Answer»

Choose the incorrect match and give reasons for your answer.

1. m/s - velocity

2. m/s^2 - acceleration

3. light year - distance

4. m^2/s - displacement

Discussion

3592.	An iron cylinder of length 8 cm has a diameter of 4 cm. Find the volume of the cylinder in cm3?100.6
Answer» An iron cylinder of length $8 cm$ has a diameter of $4 cm$ . Find the volume of the cylinder in ${cm}^{3}$ ? 100.6

Discussion

3593.	In static electricity the charges remain at rest,then why does lightning involves static electricity ,though in this case there is a movement of charges??
Answer» In static electricity the charges remain at rest,then why does lightning involves static electricity ,though in this case there is a movement of charges??

Discussion

3594.	If the distance between the objects increase, mass remaining same then the gravitational forces between the objects will :-
Answer» If the distance between the objects increase, mass remaining same then the gravitational forces between the objects will :-

Discussion

3595.	Do reflection state the particle nature of light ?What is deflection ? What is the difference between deflection and refraction?
Answer» Do reflection state the particle nature of light ? What is deflection ? What is the difference between deflection and refraction?

Discussion

3596.	the kinetic energy of a particle at maximum height becomes 1 fourth of initial kinetic energy. then angle of projection will be
Answer» the kinetic energy of a particle at maximum height becomes 1 fourth of initial kinetic energy. then angle of projection will be

Discussion

3597.	Q. passage of 10800 C of electricity through the electrolyte deposited 2.997 g of metal with atomic mass 106.4 g mol^{-1} The charge on the metal cation will be?
Answer» Q. passage of 10800 C of electricity through the electrolyte deposited 2.997 g of metal with atomic mass 106.4 g mol^{-1} The charge on the metal cation will be?

Discussion

3598.	Bob has covered some distance with a speed of 50 km/hr in 2 hrs. And then some more distance in another 2 hrs, with a speed of 40 km/hr. Find the average speed for his entire journey.
Answer» Bob has covered some distance with a speed of 50 km/hr in 2 hrs. And then some more distance in another 2 hrs, with a speed of 40 km/hr. Find the average speed for his entire journey.

Discussion

3599.	Does sunlight has colours?
Answer» Does sunlight has colours?

Discussion

3600.	How are tools and machine parts made of iron protected from rusting?
Answer» How are tools and machine parts made of iron protected from rusting?

Discussion

Explore topic-wise InterviewSolutions in .

A force of 3 ICAP - 1.5 j cap Newton acts on a 2 kg body at an instant when the body is at the position 3 ICAP - 4 j cap metre and is travelling at the speed of 4 metre per second the force acts on the body until it is at position to ICAP + 4 j cap metre find the speed of the body is

The displacement 'x and time of travel 't' for a particle moving on a straight line are related as t =\sqrt{x-1}\sqrt{x-1}. Its acceleration at a time t is

Name the force responsible for the stability of the nucleia. Strong Nuclear Forceb. Weak Nuclear Forcec. Electromagnetic Forced. Centripetal Force

Analyse the following situations when 'X' and 'Y' go to sleep at night:'X' switches ON the AC and sets a timer so that it automatically goes off after half an hour.'Y' switches ON the AC and sleeps. It runs until the morning when he wakes up.Who is conservative? 'X' or 'Y'?

Explain the difference between a transparent, translucent and an opaque medium. Give two examples of each.

The initial temperatures of two bodies B and C were T1 and T2 respectively. Now, they are brought into contact and heat starts flowing from C to B until their temperature reaches T, then which of the following are true?

Question 12The displacement of a moving object in a given interval of time is zero. Would the distance travelled by the object also be zero? Justify your answer

If the number of waves in 1metre is 100 which moves with 100kilometre/second . Find the frequency and time period .

Why are freezers placed on the top of refrigerators?

How does the digital thermometer measure temperature ?

Which of the following are true regarding clouds during a thunderstorm?

We can see objects when light reflects and fall on our eyes. Why can't wall act as a mirror since it also reflects light and fall on our eyes?

&lt;!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--&gt;NASA’s Deep Impact space mission was employed totake detailed pictures of which comet nucleus?

A light ray is incident perpendicularly to one face of a 900prism and is totally internally reflected at the glass-air interface.If the angle of reflection is 450, we conclude that the refractive index 'n' will beDiagram

A train slows down on applying brakes. Which of the following depicts the energy transformation that takes place?

What are essential conditions for development of thunderstorm?

A moving iron ammeter produces a full scale torque of 240μNm with deflections of 120∘ at a current of 10 A. The rate of change of self inductance (μH/radian) of the instrument at full scale is

Two metallic objects A and B, are brought in contact, but there is no heat transfer between them. What is the possible reason for such an observation?

How do digital thermometer works

When the switch is in ON condition, the circuit is :

Magnetic flux linked with an inductor increases from 0 and x, as the current in the inductor increases from 0 to y.Magnetic every stored in the inductor is

A body moving along a straight line covers a distance in three equal parts with Speed 2 metre per second 3 metre per second and 4 metre per second then its average speed is

The charge on a proton is equal to:

why water is liquid in room temperature

An object travels 16meter in 4sec. And then another 16meter in 2 sec. What is the average speed of the object.

18. Find the equilibrium constant for the reaction, Cu(s)+ Cu2+(aq) ➡ 2Cu+(aq). E Cu2+/Cu=0.34, E Cu2+/Cu+=0.15 (Given log 3.72=5.71)

assertion if relative velocity btw two bodies a and b is cons†an t then both bodies have equal acceleration reason rate of change of dis†an cr btw two bodies is known as relative velocit

Equal molecules of N2 and O2 are kept in a closed container at pressure P. If N2 is removed from the system, then the pressure of the container will beOptions:a) Pb) P/2c) P/4d) 2P

When acceleration is in opposite direction to velocity, ___ .

When are two objects said to be in thermal equilibrium ?

Find the product of all the divisors of 1440 and express it in the form of power of 2

80.One billion electrons pass a certain point in a micro second. This corresponds to current of?

Radha's grandma was ill. The doctor has given her a bottle of medicine containing 250 mL of medicine and told her to take it for the next 25 days. How much medicine should she take each day?

Q. Write four properties of magnetic field (in various types of magnets)

How can two similar charge be together

Whether the body temperature can be measured by keeping the thermometer at some place other than mouth?

In case if venturimeter how the pressure inside the vessel is considered for measuring pressure difference in the U tube as the fluid flows in vessel and the pressure which we consider on one cross section is horizontal and the opening of U tube is vertical

Why are there holes at the bottom of a lantern?

The image of a coin kept inside still water as seen from above the water surface is a _____.

Choose the incorrect match and give reasons for your answer. 1. m/s - velocity 2. m/s^2 - acceleration 3. light year - distance 4. m^2/s - displacement

An iron cylinder of length 8 cm has a diameter of 4 cm. Find the volume of the cylinder in cm3?100.6

In static electricity the charges remain at rest,then why does lightning involves static electricity ,though in this case there is a movement of charges??

If the distance between the objects increase, mass remaining same then the gravitational forces between the objects will :-

Do reflection state the particle nature of light ?What is deflection ? What is the difference between deflection and refraction?

the kinetic energy of a particle at maximum height becomes 1 fourth of initial kinetic energy. then angle of projection will be

Q. passage of 10800 C of electricity through the electrolyte deposited 2.997 g of metal with atomic mass 106.4 g mol^{-1} The charge on the metal cation will be?

Bob has covered some distance with a speed of 50 km/hr in 2 hrs. And then some more distance in another 2 hrs, with a speed of 40 km/hr. Find the average speed for his entire journey.

Does sunlight has colours?

How are tools and machine parts made of iron protected from rusting?

NASA’s Deep Impact space mission was employed totake detailed pictures of which comet nucleus?