InterviewSolution
Saved Bookmarks
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.
| 3151. |
How can you check just by seeing the meter whether the electricity is in use or not? |
|
Answer» How can you check just by seeing the meter whether the electricity is in use or not? |
|
| 3152. |
The skin of the tabla is tightened to produce a sound of |
|
Answer» The skin of the tabla is tightened to produce a sound of |
|
| 3153. |
water is falling at the rate of 100 kg/s on the blades of turbine from the height of 100m.the power delivered to the turbine is.(g=10m/s square |
| Answer» water is falling at the rate of 100 kg/s on the blades of turbine from the height of 100m.the power delivered to the turbine is.(g=10m/s square | |
| 3154. |
the potential energy u of a particle varies with distance from a fixed origin as u = A( square root of X)/X+B ,where A and B are constant .find dimensions of A and B |
| Answer» the potential energy u of a particle varies with distance from a fixed origin as u = A( square root of X)/X+B ,where A and B are constant .find dimensions of A and B | |
| 3155. |
The image of an object is smaller than the object. What can be said about the magnification produced by the mirror? |
|
Answer» The image of an object is smaller than the object. What can be said about the magnification produced by the mirror? |
|
| 3156. |
Why can't ebonite be charged by touching it with a charged copper rod ? |
|
Answer» Why can't ebonite be charged by touching it with a charged copper rod ? |
|
| 3157. |
If an objcct contains n, protons and n2 electrons,the net cinarge on the object is(3) (n2 n,)enje(4) Zero |
| Answer» If an objcct contains n, protons and n2 electrons,the net cinarge on the object is(3) (n2 n,)enje(4) Zero | |
| 3158. |
How does the doctor’s syringe work? |
|
Answer» How does the doctor’s syringe work? |
|
| 3159. |
Write a short note on Zero Shadow Day. |
|
Answer» Write a short note on Zero Shadow Day. |
|
| 3160. |
Archimedes' principle states that when a body is totally or partially immersed in a fluid, the upthrust is equal to: |
|
Answer» Archimedes' principle states that when a body is totally or partially immersed in a fluid, the upthrust is equal to: |
|
| 3161. |
Question 104Below are the drawings of cross sections of two different pipes used to fill swimming pools. Figure A is a combination of 2 pipes each having a radius of 8 cm. Figure B is a pipe having a radius of 15 cm. If the force of the flow of water coming out of the pipes is the same in both the cases, which will fill the swimming pool faster? |
|
Answer» Question 104 Below are the drawings of cross sections of two different pipes used to fill swimming pools. Figure A is a combination of 2 pipes each having a radius of 8 cm. Figure B is a pipe having a radius of 15 cm. If the force of the flow of water coming out of the pipes is the same in both the cases, which will fill the swimming pool faster? |
|
| 3162. |
A spherical planet has a mass Mp and diameter Dp. A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity, equal to |
|
Answer» A spherical planet has a mass Mp and diameter Dp. A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity, equal to |
|
| 3163. |
The volume of water displaced by the object gives___. |
|
Answer» The volume of water displaced by the object gives |
|
| 3164. |
Boiling takes place through out the liquid. |
|
Answer» Boiling takes place through out the liquid. |
|
| 3165. |
what is the meaning of this linemagnetic field is linear in its source Idl just as electric field is linear in its source charge |
| Answer» what is the meaning of this linemagnetic field is linear in its source Idl just as electric field is linear in its source charge | |
| 3166. |
Why is invar used in making a clock pendulum? |
| Answer» Why is invar used in making a clock pendulum? | |
| 3167. |
Why electron cannot be exist in the nucleus ? |
| Answer» Why electron cannot be exist in the nucleus ? | |
| 3168. |
Meenakshee cycles to her school at an average speed of 12 km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, what should her average speed be? [3 MARKS] |
| Answer» Meenakshee cycles to her school at an average speed of 12 km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, what should her average speed be? [3 MARKS] | |
| 3169. |
All the below objects (of equal weights) are facing air drag from front to back, which object will face the least amount of drag? |
|
Answer» All the below objects (of equal weights) are facing air drag from front to back, which object will face the least amount of drag? |
|
| 3170. |
Which of the following energy conversion takes place in an electric heater? |
|
Answer» Which of the following energy conversion takes place in an electric heater? |
|
| 3171. |
Which of the following are non-luminous objects? A. Orion B. Morning star C. Moon D. Pole star (a) A and B (b) B and C (c) B and D (d) Only C |
|
Answer» Which of the following are non-luminous objects? A. Orion B. Morning star C. Moon D. Pole star (a) A and B (b) B and C (c) B and D (d) Only C |
|
| 3172. |
The waveform representation converts ____. |
|
Answer» The waveform representation converts ____. |
|
| 3173. |
A fluid friction is a __ offered by a fluid against its flow. |
|
Answer» A fluid friction is a |
|
| 3174. |
2 cells of EMF 1 V and 2 V with internal resistance 2 ohm and 1 ohm are first connected in series and then in parallel. What should be the value of external resistance that should be connected to the circuit so that the current through the external resistance remains the same ? |
| Answer» 2 cells of EMF 1 V and 2 V with internal resistance 2 ohm and 1 ohm are first connected in series and then in parallel. What should be the value of external resistance that should be connected to the circuit so that the current through the external resistance remains the same ? | |
| 3175. |
Due to uneven heating of the Earth, the region near the equator receives more heat as compared to poles. So if I stand facing towards the pole then I will feel the wind coming from: |
|
Answer» Due to uneven heating of the Earth, the region near the equator receives more heat as compared to poles. So if I stand facing towards the pole then I will feel the wind coming from: |
|
| 3176. |
A cylindrical glass rod of radius r=0.1m and Refractive index \surd3 lies on horizontal plane mirror. A horizontal ray of light moving perpendicular to the axis of the rod is incident on it. At what height from the mirror should the ray be incident, so that it leaves the rod at height of 0.1m above theplane mirror ? |
| Answer» A cylindrical glass rod of radius r=0.1m and Refractive index \surd3 lies on horizontal plane mirror. A horizontal ray of light moving perpendicular to the axis of the rod is incident on it. At what height from the mirror should the ray be incident, so that it leaves the rod at height of 0.1m above theplane mirror ? | |
| 3177. |
Use base 5 and exponents to represent 2010. |
|
Answer» Use base 5 and exponents to represent 2010. |
|
| 3178. |
If mirrors are inclined at an angle 360° then the no.of images formed will be how many ? Explain with ray diagram. |
| Answer» If mirrors are inclined at an angle 360° then the no.of images formed will be how many ? Explain with ray diagram. | |
| 3179. |
33.A block is placed on a rough horizontal surface . the minimum force required to slide the block is (u is coefficient of friction between the contacting surface) |
| Answer» 33.A block is placed on a rough horizontal surface . the minimum force required to slide the block is (u is coefficient of friction between the contacting surface) | |
| 3180. |
Which one of the four forces is not a fundamental force? |
|
Answer» Which one of the four forces is not a fundamental force? |
|
| 3181. |
What is the difference between a star and a shooting star? |
|
Answer» What is the difference between a star and a shooting star? |
|
| 3182. |
Statement I : Rusting of iron can be prevented by forming a layer of substance on it.Statement II. The layer prevents he metal from interacting with the atmosphere. |
|
Answer» Statement I : Rusting of iron can be prevented by forming a layer of substance on it. Statement II. The layer prevents he metal from interacting with the atmosphere. |
|
| 3183. |
Question 11A toy car has a bar magnet laid hidden inside its body along its length. Using another magnet how will you find out which pole of the magnet is facing the front of the car? |
|
Answer» Question 11 A toy car has a bar magnet laid hidden inside its body along its length. Using another magnet how will you find out which pole of the magnet is facing the front of the car? |
|
| 3184. |
In an electric circuit, current flows from __________ of the electric cell. |
|
Answer» In an electric circuit, current flows from __________ of the electric cell. |
|
| 3185. |
A block of mass media is stationary on a rough inclined plane making an angle Q with the horizontal. Find the contact force between block and the plane |
| Answer» A block of mass media is stationary on a rough inclined plane making an angle Q with the horizontal. Find the contact force between block and the plane | |
| 3186. |
When the brake of a train is applied, it slows down. Which of the following force is responsible for it? |
|
Answer» When the brake of a train is applied, it slows down. Which of the following force is responsible for it? |
|
| 3187. |
Identify the phenomenon common to the following pictures. |
|
Answer» Identify the phenomenon common to the following pictures. |
|
| 3188. |
When a sound is generated by a vibrating object, the sound wave spreads in: |
|
Answer» When a sound is generated by a vibrating object, the sound wave spreads in: |
|
| 3189. |
the earth revolve around the sun with an angular velocity 2×10^{-7}rad/s in a circular orbit of radius 1.5×10^8 km the force exerted by the sun on the earth |
| Answer» the earth revolve around the sun with an angular velocity 2×10^{-7}rad/s in a circular orbit of radius 1.5×10^8 km the force exerted by the sun on the earth | |
| 3190. |
What is the circular opening in the middle of iris known as? |
|
Answer» What is the circular opening in the middle of iris known as? |
|
| 3191. |
Differentiate between the following: (i) Speed and velocity (ii) Distance and displacement on basis of scalar and vector quantities. [2 MARKS] |
|
Answer» Differentiate between the following: |
|
| 3192. |
A fielder withdraws his hands while catching a ball to |
|
Answer» A fielder withdraws his hands while catching a ball to |
|
| 3193. |
A block of mass m, lying on a horizontal plane,is acted upon by a horizontal force P andanother force Q inclined at an angle to thevertical. The block will remain in equilibrium,then find the co-efficient of friction between itand surface ? |
|
Answer» A block of mass m, lying on a horizontal plane, is acted upon by a horizontal force P and another force Q inclined at an angle to the vertical. The block will remain in equilibrium, then find the co-efficient of friction between it and surface ? |
|
| 3194. |
if x - 1/x=8 evaluate x4 + 1/x4 |
| Answer» if x - 1/x=8 evaluate x4 + 1/x4 | |
| 3195. |
why sound cannot travel without a medium? |
| Answer» why sound cannot travel without a medium? | |
| 3196. |
A source of potential difference V volt sends current I ampere in a circuit for time t second. Write expressions for (a) electrical energy supplied by the source, and (b) electrical power spent by the source. |
|
Answer» A source of potential difference V volt sends current I ampere in a circuit for time t second. Write expressions for (a) electrical energy supplied by the source, and (b) electrical power spent by the source. |
|
| 3197. |
calculate the expression of output voltage in the following cases:-1. If the applied voltage is such that the voltage across zener is less than the zener voltage2. if the voltage applied is such that the voltage across zener is equal or more than the zener voltage. |
|
Answer» calculate the expression of output voltage in the following cases:- 1. If the applied voltage is such that the voltage across zener is less than the zener voltage 2. if the voltage applied is such that the voltage across zener is equal or more than the zener voltage. |
|
| 3198. |
In which of the following layers of the earth do the earthquake originate? |
|
Answer» In which of the following layers of the earth do the earthquake originate? |
|
| 3199. |
A thin rod of length L and mass m is oscillating about its one end is behaving like a physical pendulum. Its time period of small oscillation is |
| Answer» A thin rod of length L and mass m is oscillating about its one end is behaving like a physical pendulum. Its time period of small oscillation is | |
| 3200. |
96.One gram of mass converted into energy gives ? |
| Answer» 96.One gram of mass converted into energy gives ? | |
