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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.
| 2251. |
4. The relative strength of electromagnetic forcecompared with strong nuclear force is |
| Answer» 4. The relative strength of electromagnetic forcecompared with strong nuclear force is | |
| 2252. |
18.: A body cools from 60^° C to 50^° C in 10 min. If room temperature is 25^° C of body at the end of next 10 min, will be |
| Answer» 18.: A body cools from 60^° C to 50^° C in 10 min. If room temperature is 25^° C of body at the end of next 10 min, will be | |
| 2253. |
Give reasons for the following taking evaporation into account: (a) We spread out the clothes while drying. (b) Clothes dry up faster when spread near a heater. (c) Clothes take very long to dry on a rainy day. |
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Answer» Give reasons for the following taking evaporation into account: (a) We spread out the clothes while drying. (b) Clothes dry up faster when spread near a heater. (c) Clothes take very long to dry on a rainy day. |
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| 2254. |
At what temperature does water have the maximum density? |
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Answer» At what temperature does water have the maximum density? |
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| 2255. |
Select the correct pair of the device and the physical quantity that it is used to measure. |
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Answer» Select the correct pair of the device and the physical quantity that it is used to measure. |
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| 2256. |
What is current? |
| Answer» What is current? | |
| 2257. |
Explain the working of a switch in a circuit. |
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Answer» Explain the working of a switch in a circuit. |
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| 2258. |
Find the hybridization of (crF6)_3 that is the negative charge is 3 |
| Answer» Find the hybridization of (crF6)_3 that is the negative charge is 3 | |
| 2259. |
State the colour coding of the three wires in a cable used for wiring in a household electrical circuit. |
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Answer» State the colour coding of the three wires in a cable used for wiring in a household electrical circuit. |
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| 2260. |
a train moves with velocity 36km.h^{-1} for 30 mins and then moves with velocity 54km.h^{-1} for next 40 mins find average speed |
| Answer» a train moves with velocity 36km.h^{-1} for 30 mins and then moves with velocity 54km.h^{-1} for next 40 mins find average speed | |
| 2261. |
7. THE CHARGE ON 500 CC OF WATER DUE TO PROTONS WILL BE? |
| Answer» 7. THE CHARGE ON 500 CC OF WATER DUE TO PROTONS WILL BE? | |
| 2262. |
The water image of mirror image of given figure (X) isदिए गए चित्र (X) के दर्पण प्रतिबिंब का जल प्रतिबिंब है |
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Answer» The water image of mirror image of given figure (X) is |
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| 2263. |
What will happen to leaves of an electoscope if a positively charged body is bought near a negatively charged electroscope |
| Answer» What will happen to leaves of an electoscope if a positively charged body is bought near a negatively charged electroscope | |
| 2264. |
Question 1Give two examples each of situations in which you push or pull to change the state of motion of objects. |
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Answer» Question 1 |
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| 2265. |
The conduction of liquids can be tested by using either a bulb or a compass in the circuit . Can you think of any other method to obtain the same result? |
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Answer» The conduction of liquids can be tested by using either a bulb or a compass in the circuit . Can you think of any other method to obtain the same result? |
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| 2266. |
A turn of radius 20m is banked for the vehicle going at speed of 36km/hr.if the coefficient of static friction is between the road and the tyre is 0.4; what are the possible speed of a vehicle so that it neither slips down nor skids up. |
| Answer» A turn of radius 20m is banked for the vehicle going at speed of 36km/hr.if the coefficient of static friction is between the road and the tyre is 0.4; what are the possible speed of a vehicle so that it neither slips down nor skids up. | |
| 2267. |
what is the difference beween electromagnetic forces and electrostatic forces as well as coulomb force?? |
| Answer» what is the difference beween electromagnetic forces and electrostatic forces as well as coulomb force?? | |
| 2268. |
When travelling obliquely from one medium to another medium, the direction of light rays in the second medium ___. |
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Answer» When travelling obliquely from one medium to another medium, the direction of light rays in the second medium |
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| 2269. |
Why is having treads on tires undesirable for racing cars (like the Formula1 cars)? |
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Answer» Why is having treads on tires undesirable for racing cars (like the Formula1 cars)? |
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| 2270. |
How come the priliminary contact forces ( friction and muscular force ) be precisely categorised into the 4 fundamental non - contact forces ? |
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Answer» How come the priliminary contact forces ( friction and muscular force ) be precisely categorised into the 4 fundamental non - contact forces ? |
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| 2271. |
Stars appear to be permanent to us even though these are born, grow and then die because |
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Answer» Stars appear to be permanent to us even though these are born, grow and then die because |
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| 2272. |
An earthquake-prone area is known as: |
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Answer» An earthquake-prone area is known as: |
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| 2273. |
A particle is in uniform circular motions it's velocity is perpendicular to |
| Answer» A particle is in uniform circular motions it's velocity is perpendicular to | |
| 2274. |
Silver is the best conductor of electricity can you say why electric wires are not made up of silver?(Could you please check my answer)Ans: Though silver is a good conductor of heat but it is not used in making electric wire as it is very expensive .silver is a noble metal and it is used in making jewelry it is also used in electroplating and in making high Value coins that is why silver is not used in making electric wires |
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Answer» Silver is the best conductor of electricity can you say why electric wires are not made up of silver? (Could you please check my answer) Ans: Though silver is a good conductor of heat but it is not used in making electric wire as it is very expensive .silver is a noble metal and it is used in making jewelry it is also used in electroplating and in making high Value coins that is why silver is not used in making electric wires |
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| 2275. |
Find the lateral shift (Δ) of a ray passing through a slab having refrective index √3 incident at 60∘. |
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Answer» Find the lateral shift (Δ) of a ray passing through a slab having refrective index √3 incident at 60∘. |
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| 2276. |
Question 7 What is the importance of universal law of gravitation? |
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Answer» Question 7 What is the importance of universal law of gravitation? |
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| 2277. |
One light year is _________. |
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Answer» One light year is _________. |
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| 2278. |
A point charge Q1=300 μC is located at P(1, -1, -3) experiences an attractive force →F1=8^ax−8^ay+4^az N due to point charge Q2 at (3, -3, -2) m. The value of charge Q2 will be |
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Answer» A point charge Q1=300 μC is located at P(1, -1, -3) experiences an attractive force →F1=8^ax−8^ay+4^az N due to point charge Q2 at (3, -3, -2) m. The value of charge Q2 will be |
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| 2279. |
a jar has mixture of hydrogen and oxygen gases in the ratio 1is to 5 ratio of mean kinetic energy of hydrogen and oxgen moleculei |
| Answer» a jar has mixture of hydrogen and oxygen gases in the ratio 1is to 5 ratio of mean kinetic energy of hydrogen and oxgen moleculei | |
| 2280. |
A glass rod rubbed with silk is brought near the disc of a negatively charged gold leaf electroscope. The divergence of its leaves will : |
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Answer» A glass rod rubbed with silk is brought near the disc of a negatively charged gold leaf electroscope. The divergence of its leaves will : |
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| 2281. |
Question 7 (c) Identify the part which vibrates to produce sound in the following instrument. Flute |
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Answer» Question 7 (c) |
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| 2282. |
The amplitude of a sound wave determines its ___. |
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Answer» The amplitude of a sound wave determines its ___. |
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| 2283. |
Why does an iron nail sink in water, whereas a ship made of iron floats? |
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Answer» Why does an iron nail sink in water, whereas a ship made of iron floats? |
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| 2284. |
Why is the colour of the clear sky blue? |
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Answer» Why is the colour of the clear sky blue? |
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| 2285. |
4.) A charged conducting shell has surface chargedensity σ = 1.7708 x 10-7 Cm-2 . If a tiny hole is cutinto its surface, then electric field in the hole is(1) 2 x 104 N/C in the outward normal direction(2) 1 × 104 N/C in the outward normal direction(3) 2 x 104 N/C in the inward normal direction(4) 1 x 104 N/C in the inward normal direction |
| Answer» 4.) A charged conducting shell has surface chargedensity σ = 1.7708 x 10-7 Cm-2 . If a tiny hole is cutinto its surface, then electric field in the hole is(1) 2 x 104 N/C in the outward normal direction(2) 1 × 104 N/C in the outward normal direction(3) 2 x 104 N/C in the inward normal direction(4) 1 x 104 N/C in the inward normal direction | |
| 2286. |
What are celestial objects? |
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Answer» What are celestial objects? |
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| 2287. |
The maximum force acting on body executing SHM is F and the maximum energy of the body is E. Amplitude of the motion of the particle is |
| Answer» The maximum force acting on body executing SHM is F and the maximum energy of the body is E. Amplitude of the motion of the particle is | |
| 2288. |
Which of the following depicts the mathematical form of Ohm’s Law? |
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Answer» Which of the following depicts the mathematical form of Ohm’s Law? |
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| 2289. |
Can a solid act as a lubricant? If yes give examples? |
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Answer» Can a solid act as a lubricant? If yes give examples? |
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| 2290. |
13 When two liquid of same mass but different densities p, and P2 are mixed together, then the density of themixture is2p,p2(3)Pr+P/2Pr+P2(2)(1) P, P22p2P2(4)2 |
| Answer» 13 When two liquid of same mass but different densities p, and P2 are mixed together, then the density of themixture is2p,p2(3)Pr+P/2Pr+P2(2)(1) P, P22p2P2(4)2 | |
| 2291. |
Question 3Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend? |
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Answer» Question 3 Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend? |
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| 2292. |
ntA block of mass m is projected horizontally on a conveyer belt of lenght Lon two small rollers moving at speedv . Find the speed with which the block is projected so that the heat dissipated against friction will be maximum.n |
| Answer» ntA block of mass m is projected horizontally on a conveyer belt of lenght Lon two small rollers moving at speedv . Find the speed with which the block is projected so that the heat dissipated against friction will be maximum.n | |
| 2293. |
HCl is a strong acid. How would we know that? |
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Answer» HCl is a strong acid. How would we know that? |
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| 2294. |
The relative refractive index of a pair of media could be: |
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Answer» The relative refractive index of a pair of media could be: |
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| 2295. |
Calculate (a) teh actual voume of a molecule of water (b) the radius of a water molecule assuming to be sphericl ( density of water =1 g cm^{-3} |
| Answer» Calculate (a) teh actual voume of a molecule of water (b) the radius of a water molecule assuming to be sphericl ( density of water =1 g cm^{-3} | |
| 2296. |
A uniform rod of length 2l and weight w is lying across two sharp contacts on same level distant d apart.If neither sharp contact can stand a force greater than T,length of the rod which can project beyond either sharp contact cannot be greater than? |
| Answer» A uniform rod of length 2l and weight w is lying across two sharp contacts on same level distant d apart.If neither sharp contact can stand a force greater than T,length of the rod which can project beyond either sharp contact cannot be greater than? | |
| 2297. |
Which of the following were the earliest methods of calculating time? |
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Answer» Which of the following were the earliest methods of calculating time? |
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| 2298. |
Which of the following phenomena does not involve electric charges? |
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Answer» Which of the following phenomena does not involve electric charges? |
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| 2299. |
47.Gravitational force between two bodies is 1 N .If the distance between them is made twice , what will be the force? |
| Answer» 47.Gravitational force between two bodies is 1 N .If the distance between them is made twice , what will be the force? | |
| 2300. |
ntwhat is the sign convention if the concave mirror is inverted?n |
| Answer» ntwhat is the sign convention if the concave mirror is inverted?n | |
