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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.
| 1201. |
Why did Sommerfeld choose elliptical orbits, and not any other geometrical shape for orbits? |
| Answer» Why did Sommerfeld choose elliptical orbits, and not any other geometrical shape for orbits? | |
| 1202. |
Where is the pressure greater, 10 m below the surface of the sea or 20 m below the surface of sea? |
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Answer» Where is the pressure greater, 10 m below the surface of the sea or 20 m below the surface of sea? |
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| 1203. |
A concrete railroad tie has a length 2.45m on a hot sunny day having temperature 35∘C. What is the length of the railroad tie in the winter when the temperature dips to −25∘C? (Take the coefficient of linear expension of railroad as 12×10−5/∘C) |
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Answer» A concrete railroad tie has a length 2.45m on a hot sunny day having temperature 35∘C. What is the length of the railroad tie in the winter when the temperature dips to −25∘C? (Take the coefficient of linear expension of railroad as 12×10−5/∘C) |
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| 1204. |
For a real object, which of the following is true corresponding to the image formed by a concave mirror? |
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Answer» For a real object, which of the following is true corresponding to the image formed by a concave mirror? |
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| 1205. |
Write answers to the following questions in your own words.(a) What are the things that can be done by applying force?(b) What is meant by weight?(c) Which machines run on muscular force? |
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Answer» Write answers to the following questions in your own words. (a) What are the things that can be done by applying force? (b) What is meant by weight? (c) Which machines run on muscular force? |
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| 1206. |
A cylindrical metallic rod in thermal contact with two reservoirs of heat at its two ends conducts an amount of heat Q in time t. The metallic rod is melted and the material is formed into a rod of double the radius of the original rod. What is the amount of heat conducted by the new rod, when placed in thermal contact with the two reservoirs in time t ? |
| Answer» A cylindrical metallic rod in thermal contact with two reservoirs of heat at its two ends conducts an amount of heat Q in time t. The metallic rod is melted and the material is formed into a rod of double the radius of the original rod. What is the amount of heat conducted by the new rod, when placed in thermal contact with the two reservoirs in time t ? | |
| 1207. |
A force f acts on a block of mass m at an angle x. find minimum value of this force in case of pushing and pulling for moving body |
| Answer» A force f acts on a block of mass m at an angle x. find minimum value of this force in case of pushing and pulling for moving body | |
| 1208. |
A ball is rolled along a table. what all forces are acting up on it after it leave the table but before it hits the floor?? |
| Answer» A ball is rolled along a table. what all forces are acting up on it after it leave the table but before it hits the floor?? | |
| 1209. |
What is force? When can we be sure that a net force is acting on a body? [2 MARKS] |
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Answer» What is force? When can we be sure that a net force is acting on a body? [2 MARKS] |
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| 1210. |
What is a periscope? How many mirrors are there in a periscope? |
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Answer» What is a periscope? How many mirrors are there in a periscope? |
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| 1211. |
Two resistors of resistance 5Ω and 15Ω are connected in parallel to a 15 volt battery. Find the current across 5Ω resistor. |
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Answer» Two resistors of resistance 5Ω and 15Ω are connected in parallel to a 15 volt battery. Find the current across 5Ω resistor.
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| 1212. |
How much energy will an electric motor of 1HP consume in 10 seconds? |
| Answer» How much energy will an electric motor of 1HP consume in 10 seconds? | |
| 1213. |
For a latent heat, which of the following is true? |
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Answer» For a latent heat, which of the following is true? |
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| 1214. |
Write the difference between speed and velocity? |
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Answer» Write the difference between speed and velocity? |
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| 1215. |
what is the dimensional formula of force |
| Answer» what is the dimensional formula of force | |
| 1216. |
Mosquitoes can stand on water due to |
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Answer» Mosquitoes can stand on water due to |
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| 1217. |
A cube of edge 1cm is acted upon by a force of 50 N at one of its faces perpendicularly. Calculate the Pressure developed by the force on that surface. |
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Answer» A cube of edge 1cm is acted upon by a force of 50 N at one of its faces perpendicularly. Calculate the Pressure developed by the force on that surface. |
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| 1218. |
In invariance of charges what actually make mass differs if charges does not differs? What changes to make change in mass when the body moves with speed of light? |
| Answer» In invariance of charges what actually make mass differs if charges does not differs? What changes to make change in mass when the body moves with speed of light? | |
| 1219. |
Complex ion which is most paramagnetic is (1){\lbrack Co(H2O)6\rbrack}^{3+} (2){\lbrack Co(C2O4)3\rbrack}^{3-} (3){\lbrack FeF6\rbrack}^{4-} (4){\lbrack Fe(H2O)5(NO)\rbrack}^2 |
| Answer» Complex ion which is most paramagnetic is (1){\lbrack Co(H2O)6\rbrack}^{3+} (2){\lbrack Co(C2O4)3\rbrack}^{3-} (3){\lbrack FeF6\rbrack}^{4-} (4){\lbrack Fe(H2O)5(NO)\rbrack}^2 | |
| 1220. |
How are the electrical appliances connected in a house circuit: in series or in parallel? Give reason. |
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Answer» How are the electrical appliances connected in a house circuit: in series or in parallel? Give reason. |
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| 1221. |
The orbital velocity of an artificial satellite in a circular orbit above earth surface at a dis†an ce equal to radius of earth is v for a satellite orbiting at an altitude half of earth`s radius orbital velocity is |
| Answer» The orbital velocity of an artificial satellite in a circular orbit above earth surface at a dis†an ce equal to radius of earth is v for a satellite orbiting at an altitude half of earth`s radius orbital velocity is | |
| 1222. |
Why don't we consider Pluto as a planet |
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Answer» Why don't we consider Pluto as a planet |
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| 1223. |
How many moon/s does Mars have? |
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Answer» How many moon/s does Mars have? |
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| 1224. |
59.Calculate the contact force acting on the mass m placed over the inclined plane of friction co-efficient miu=0.5 as shown |
| Answer» 59.Calculate the contact force acting on the mass m placed over the inclined plane of friction co-efficient miu=0.5 as shown | |
| 1225. |
How does pressure in liquids change with depth |
| Answer» How does pressure in liquids change with depth | |
| 1226. |
Why does voltage remains same in parallel combination? |
| Answer» Why does voltage remains same in parallel combination? | |
| 1227. |
A stationary ball of mass m and potential energy U is dropped from a height. If the total mechanical energy is constant throughout the fall, then the velocity with which it reaches the ground is: |
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Answer» A stationary ball of mass m and potential energy U is dropped from a height. If the total mechanical energy is constant throughout the fall, then the velocity with which it reaches the ground is: |
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| 1228. |
The total number of unit cells equally sharing a face centred cubic unit cell is______ |
| Answer» The total number of unit cells equally sharing a face centred cubic unit cell is______ | |
| 1229. |
n Identical cells each of emf E and internal resistance r are joined in series to form a closed circuit. One of the cell A is joined with reversed polarity . The potential differnce across A is? |
| Answer» n Identical cells each of emf E and internal resistance r are joined in series to form a closed circuit. One of the cell A is joined with reversed polarity . The potential differnce across A is? | |
| 1230. |
Propagation of sound can be visualized as: |
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Answer» Propagation of sound can be visualized as: |
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| 1231. |
Differentiate between regular and diffused reflection. Does diffused reflection mean the failure of the laws of reflection? [3 MARKS] |
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Answer» Differentiate between regular and diffused reflection. Does diffused reflection mean the failure of the laws of reflection? [3 MARKS] |
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| 1232. |
If the forces acting upon an object are balanced, then the object: |
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Answer» If the forces acting upon an object are balanced, then the object: |
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| 1233. |
Pressure v/s Time graph of a sound wave is as shown below.What will be the frequency of the sound wave? |
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Answer» Pressure v/s Time graph of a sound wave is as shown below. |
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| 1234. |
Find total heat loss in the resistance R after switch is closed. (Initially both the capacitors were uncharged)स्विच को बन्द करने के बाद प्रतिरोध R में कुल ऊष्मा हानि ज्ञात कीजिए। (प्रारम्भ में दोनों संधारित्र अनावेशित हैं) |
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Answer» Find total heat loss in the resistance R after switch is closed. (Initially both the capacitors were uncharged) |
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| 1235. |
We know that light can travel through a vacuum. But are we able to see light when it travels through a vacuum? If not then what is it that makes stars visible in space(which is a vacuum)? |
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Answer» We know that light can travel through a vacuum. But are we able to see light when it travels through a vacuum? If not then what is it that makes stars visible in space(which is a vacuum)? |
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| 1236. |
Why do we slip on a rainy day? |
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Answer» Why do we slip on a rainy day? |
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| 1237. |
why bonding happens at low energy itself |
| Answer» why bonding happens at low energy itself | |
| 1238. |
What happens to the direction of a ray of light after it falls on a plane mirror? |
| Answer» What happens to the direction of a ray of light after it falls on a plane mirror? | |
| 1239. |
Do the force and permittivity of air maximum?If yes then why? |
| Answer» Do the force and permittivity of air maximum?If yes then why? | |
| 1240. |
What is the difference between meteors and meteorites? |
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Answer» What is the difference between meteors and meteorites? |
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| 1241. |
Refraction of light as it enters from one transparent medium to another is due to ________. |
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Answer» Refraction of light as it enters from one transparent medium to another is due to ________. |
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| 1242. |
If you stand between two parallel plane mirrors, how many images will be formed? |
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Answer» If you stand between two parallel plane mirrors, how many images will be formed? |
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| 1243. |
In the given figure, let C be the centre of curvature, F be the focus and P be the pole of the spherical mirror. Find the value of θ. |
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Answer»
In the given figure, let C be the centre of curvature, F be the focus and P be the pole of the spherical mirror. Find the value of θ. |
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| 1244. |
Based on the following diagram, which of the following best represents how the Moon would appear as seen from the Earth? |
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Answer» Based on the following diagram, which of the following best represents how the Moon would appear as seen from the Earth? |
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| 1245. |
How to write products in a reaction if reac†an ts are given? |
| Answer» How to write products in a reaction if reac†an ts are given? | |
| 1246. |
What is the minimum electrical force between two charged particles 1 m apart in free space? what must be the charges should it be charge of electron?? |
| Answer» What is the minimum electrical force between two charged particles 1 m apart in free space? what must be the charges should it be charge of electron?? | |
| 1247. |
The turning moment diagram of a flywheel fitted to a fictitious engine is shown in the figure.The mean turning moment is 2000 Nm. The average engine speed is 1000 rpm. For fluctuation in the speed to be within ±2% of the average speed the mass moment of inertia of the flywheel is kgm23.58 |
Answer» The turning moment diagram of a flywheel fitted to a fictitious engine is shown in the figure. The mean turning moment is 2000 Nm. The average engine speed is 1000 rpm. For fluctuation in the speed to be within ±2% of the average speed the mass moment of inertia of the flywheel is kgm2
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| 1248. |
In the circuit shown in figure, the heat produced in the 5 Ω resistor due to the current flowing through it is 10 cal s−1. The heat generated in the 4 Ω resistor is |
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Answer» In the circuit shown in figure, the heat produced in the 5 Ω resistor due to the current flowing through it is 10 cal s−1. The heat generated in the 4 Ω resistor is |
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| 1249. |
Question 1How does binary fission differ from multiple fission? |
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Answer» Question 1 |
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| 1250. |
Equal weight of methane and hydrogen are mixed in a container at 25 degree celcius . Fraction of total pressure exerted by methane is ?? |
| Answer» Equal weight of methane and hydrogen are mixed in a container at 25 degree celcius . Fraction of total pressure exerted by methane is ?? | |
