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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 3101. |
A person moves 30 m north, 20 m east and 30root 2 meter south-west find the displacement |
| Answer» A person moves 30 m north, 20 m east and 30root 2 meter south-west find the displacement | |
| 3102. |
Can a charged body be charged by induction ? Then by earthening it we can charge more and more by doing induction again and again . |
| Answer» Can a charged body be charged by induction ? Then by earthening it we can charge more and more by doing induction again and again . | |
| 3103. |
Which of the following is not a cause for earthquakes? |
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Answer» Which of the following is not a cause for earthquakes? |
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| 3104. |
Why are CFL bulbs preferred over filament bulbs? How do we know that an appliance is safe for use? [3 MARKS] |
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Answer» Why are CFL bulbs preferred over filament bulbs? How do we know that an appliance is safe for use? [3 MARKS] |
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| 3105. |
Write answers the following questions.(a) Why do we hear musical notes when the strings of a sitar are plucked?(b) How does a bat find its way in the dark?(c) What is the sonar system based on?(d) Why is the sound of a bell smothered when a hand is placed on it? |
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Answer» Write answers the following questions. (a) Why do we hear musical notes when the strings of a sitar are plucked? (b) How does a bat find its way in the dark? (c) What is the sonar system based on? (d) Why is the sound of a bell smothered when a hand is placed on it? |
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| 3106. |
Give examples for good solid conductors and liquid conductors. |
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Answer» Give examples for good solid conductors and liquid conductors. |
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| 3107. |
The electric field at (30,30) cm due to a charge of-8 NC at origin in NC^-1 is |
| Answer» The electric field at (30,30) cm due to a charge of-8 NC at origin in NC^-1 is | |
| 3108. |
What can you say about the edges of the shadow? |
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Answer» What can you say about the edges of the shadow? |
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| 3109. |
64.Write the expression for the equilibrium constant k for each of the following reaction 2NOCl(g) = 2NO(g) + CL2 |
| Answer» 64.Write the expression for the equilibrium constant k for each of the following reaction 2NOCl(g) = 2NO(g) + CL2 | |
| 3110. |
What is joule? |
| Answer» What is joule? | |
| 3111. |
A particle is performing SHM of amplitude A and time period T. Find the time taken by the particle to go from x=0 to x=A2. |
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Answer» A particle is performing SHM of amplitude A and time period T. Find the time taken by the particle to go from x=0 to x=A2. |
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| 3112. |
The breaking stress of a wire depends on |
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Answer» The breaking stress of a wire depends on |
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| 3113. |
Which of the following is not a lubricant? |
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Answer» Which of the following is not a lubricant? |
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| 3114. |
The SI unit of current I is___. |
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Answer» The SI unit of current I is |
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| 3115. |
A man weighs 600 N on the Earth. If he was taken to the Moon, his weight would be 100 N. What is the acceleration due to gravity on the Moon? (Take g=10 ms−2) |
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Answer» A man weighs 600 N on the Earth. If he was taken to the Moon, his weight would be 100 N. What is the acceleration due to gravity on the Moon? (Take g=10 ms−2) |
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| 3116. |
A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. The Effect observed in each case is stated in Column I. Possible reasons for the observed effects are mentioned in Column II. Match the statements given in Column I with those in Column II. Column I Column II Boat gets attracted towards the magnet Boat is fitted with a magnet with a north pole towards its head Boat is not affected by the magnet Boat is fitted with a magnet with a south pole towards its head Boat moved towards the magnet when the north pole is brought near its head Boat has a small magnet fixed along its length Boat moves away from the magnet when the north pole is brought near its head Boat is made up of magnetic material Boat floats without changing its direction Boat is made up of non-magnetic material |
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Answer» A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. The Effect observed in each case is stated in Column I. Possible reasons for the observed effects are mentioned in Column II. Match the statements given in Column I with those in Column II.
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| 3117. |
What is the area of a circle if it's circlefrence is 17 |
| Answer» What is the area of a circle if it's circlefrence is 17 | |
| 3118. |
Why mirror reflects light |
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Answer» Why mirror reflects light |
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| 3119. |
time taken by monochromatic light to travel a certain dis†an ce in air is 9×10^-6 sec.time taken by light ray to travel the same dis†an ce in water of refractive index 4/3 is |
| Answer» time taken by monochromatic light to travel a certain dis†an ce in air is 9×10^-6 sec.time taken by light ray to travel the same dis†an ce in water of refractive index 4/3 is | |
| 3120. |
An electric field E = 20yj exist in space. the potential at (5m,5m) is taken to be zero. The potential at origin is |
| Answer» An electric field E = 20yj exist in space. the potential at (5m,5m) is taken to be zero. The potential at origin is | |
| 3121. |
Mesoscopic physics. |
| Answer» Mesoscopic physics. | |
| 3122. |
The odometer of a vehicle has an initial reading of 22256 km. After the trip, it shows a reading of 22356 km. If the time taken for the trip is 5 hours, what is the average speed of the vehicle in m s−1?5.556 |
Answer» The odometer of a vehicle has an initial reading of 22256 km. After the trip, it shows a reading of 22356 km. If the time taken for the trip is 5 hours, what is the average speed of the vehicle in m s−1?
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| 3123. |
how formula of electric potential i.e. Kq/r came or derived |
| Answer» how formula of electric potential i.e. Kq/r came or derived | |
| 3124. |
In the given figure if the mirror is rotated by an angle θ in the clockwise direction, then the angle of incidence becomes equal to: |
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Answer» In the given figure if the mirror is rotated by an angle θ in the clockwise direction, then the angle of incidence becomes equal to:
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| 3125. |
Why does a magnetic needle gets deflected when it is brought close to current carrying conductor ? |
| Answer» Why does a magnetic needle gets deflected when it is brought close to current carrying conductor ? | |
| 3126. |
Two point charges separated by a distance d repel each other with a force of 9N . If one of the point charges is moved through a distance x such that the force of repulsion is reduced to 1N, then the value of x is |
| Answer» Two point charges separated by a distance d repel each other with a force of 9N . If one of the point charges is moved through a distance x such that the force of repulsion is reduced to 1N, then the value of x is | |
| 3127. |
A soldier marches at a speed of 2m/s . What distance will he cover in 1 hour ? |
| Answer» A soldier marches at a speed of 2m/s . What distance will he cover in 1 hour ? | |
| 3128. |
Two copper wire A and B of length 30m and 10m have radii 2cm and 1cm respectively. Compare the resistance of the two wires. Which will have less resistance? |
| Answer» Two copper wire A and B of length 30m and 10m have radii 2cm and 1cm respectively. Compare the resistance of the two wires. Which will have less resistance? | |
| 3129. |
Five bulbs of eighty watt each two fans of hundred watt each an electric motor of three kilowatt and a geyser of five kilowatt are used for eight hours per day by a family. Calculate the total energy cosumed in thirty days and the cost of electricity used in one day at the rate of rupees five per unit. |
| Answer» Five bulbs of eighty watt each two fans of hundred watt each an electric motor of three kilowatt and a geyser of five kilowatt are used for eight hours per day by a family. Calculate the total energy cosumed in thirty days and the cost of electricity used in one day at the rate of rupees five per unit. | |
| 3130. |
Which of the following is correct choice for energy conversion in an electric bell? |
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Answer» Which of the following is correct choice for energy conversion in an electric bell? |
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| 3131. |
Sound travels in the form of _____. |
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Answer» Sound travels in the form of _____. |
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| 3132. |
Identify the ray diagram that shows the formation of an image by a plane mirror. |
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Answer» Identify the ray diagram that shows the formation of an image by a plane mirror. |
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| 3133. |
What is weight of a body on moon |
| Answer» What is weight of a body on moon | |
| 3134. |
How will you convert a ‘nail’ into a temporary magnet? |
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Answer» How will you convert a ‘nail’ into a temporary magnet? |
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| 3135. |
2.A ship travelling due East at 10 km/h. A ship heading 30 degree east of the North is always due North from the first ship.What will be the speed of the second ship? |
| Answer» 2.A ship travelling due East at 10 km/h. A ship heading 30 degree east of the North is always due North from the first ship.What will be the speed of the second ship? | |
| 3136. |
We have come across words like `gale’ and `storm’ in the account. Here are two more words for `storm’: typhoon, cyclone. How many words does your language have for `storm’? |
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Answer» We have come across words like `gale’ and `storm’ in the account. Here are two more words for `storm’: typhoon, cyclone. How many words does your language have for `storm’? |
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| 3137. |
Select the correct statement(s) among the following with respect to sand and sea? |
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Answer» Select the correct statement(s) among the following with respect to sand and sea? |
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| 3138. |
73, A pendulum is suspended inside a car invertical direction.Suddenly the car is given a horizontal acceleration a. The maximum angle THETA through which the pendulum deflects is given by |
| Answer» 73, A pendulum is suspended inside a car invertical direction.Suddenly the car is given a horizontal acceleration a. The maximum angle THETA through which the pendulum deflects is given by | |
| 3139. |
What is the pressure on swimmer 10m bellow the surface of alake |
| Answer» What is the pressure on swimmer 10m bellow the surface of alake | |
| 3140. |
Name different types of the pendulum. |
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Answer» Name different types of the pendulum. |
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| 3141. |
nta particle is executing shm with time period t. starting from mean position, time taken by it to complete 5/8 oscillation is n |
| Answer» nta particle is executing shm with time period t. starting from mean position, time taken by it to complete 5/8 oscillation is n | |
| 3142. |
A bus covers 3 equal distances. The first is covered with a speed 10km/h, second with speed 20km/h and third with 60km/h, then find its average speed in km/h. |
| Answer» A bus covers 3 equal distances. The first is covered with a speed 10km/h, second with speed 20km/h and third with 60km/h, then find its average speed in km/h. | |
| 3143. |
Question 1 (b) Fill in the blank: An electric cell has ___ terminals. |
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Answer» Question 1 (b) Fill in the blank: |
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| 3144. |
Boiling is a/an ___ phenomenon. |
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Answer» Boiling is a/an |
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| 3145. |
why lunar or solar eclipse doesn't occurs periodly |
| Answer» why lunar or solar eclipse doesn't occurs periodly | |
| 3146. |
Question 4 Why is it necessary to have a ventilator in a house? What will happen if there is no ventilator? |
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Answer» Question 4 Why is it necessary to have a ventilator in a house? What will happen if there is no ventilator? |
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| 3147. |
If the line represents a mirror, which of the given options would be the correct mirror image formed? |
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Answer» If the line represents a mirror, which of the given options would be the correct mirror image formed? |
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| 3148. |
A car travelled a distance of 40 km in first hour and it travelled at a velocity of 30 km/h for next two hours. Calculate its average velocity. |
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Answer» A car travelled a distance of 40 km in first hour and it travelled at a velocity of 30 km/h for next two hours. Calculate its average velocity. |
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| 3149. |
In a system force, velocity and energy is taken asbase unit then what is dimension of mass in thenew system of unit?(1) FE2(2) FE-2V-1(3) EF 2(4) EV-2 |
| Answer» In a system force, velocity and energy is taken asbase unit then what is dimension of mass in thenew system of unit?(1) FE2(2) FE-2V-1(3) EF 2(4) EV-2 | |
| 3150. |
a body is projected at an angle 60^° with the horizontal ground with kinetic energy K. When the velocity makes an angle 30^° with the horizontal ,the horizontal ,the kinetic energy of the body will be |
| Answer» a body is projected at an angle 60^° with the horizontal ground with kinetic energy K. When the velocity makes an angle 30^° with the horizontal ,the horizontal ,the kinetic energy of the body will be | |
