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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. |
Shadow is 2d or 3d ? Explain. |
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Answer» Shadow is 2d or 3d ? Explain. |
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| 2252. |
Why is there a uniform flow of current in a series connection of resistors? The resistors should block the same flow of current to the next resistors? |
| Answer» Why is there a uniform flow of current in a series connection of resistors? The resistors should block the same flow of current to the next resistors? | |
| 2253. |
Plan a small experiment to prove that the strength of a magnet is maximum at the poles. |
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Answer» Plan a small experiment to prove that the strength of a magnet is maximum at the poles. |
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| 2254. |
____________is a device used by navigators to find the direction. |
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Answer» ____________is a device used by navigators to find the direction. |
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| 2255. |
List three disadvantages of friction. |
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Answer» List three disadvantages of friction. |
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| 2256. |
If all objects on the equator of earth feel weightless then the duration of the day will nearly become(1) 6.2 hr (2) 4.4 hr (3) 2.2 hr (4) 1.41 hr |
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Answer» If all objects on the equator of earth feel weightless then the duration of the day will nearly become (1) 6.2 hr (2) 4.4 hr (3) 2.2 hr (4) 1.41 hr |
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| 2257. |
Which planet is the least dense amongst all? |
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Answer» Which planet is the least dense amongst all? |
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| 2258. |
Draw the symbols for the following:(a) a bulb(b) an electric cell(c) a switch(d) a battery of electric cells |
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Answer» Draw the symbols for the following: (a) a bulb (b) an electric cell (c) a switch (d) a battery of electric cells |
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| 2259. |
The motion of the pendulum of a clock is: |
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Answer» The motion of the pendulum of a clock is: |
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| 2260. |
Name the circuit component that is used to start or stop the flow of current in a circuit. |
| Answer» Name the circuit component that is used to start or stop the flow of current in a circuit. | |
| 2261. |
What will be the colour of a shadow formed in red light? |
| Answer» What will be the colour of a shadow formed in red light? | |
| 2262. |
A Fixed thermally conducting cylinder has u radius Rand height L, The cylinder is open at its bottorn andhas a small hole at its top. A piston of mass M is held ata distance L from the lop surface, us showu theatmospheric pressure is2R6 The piston is now pulled out slowly and held at adistance 2L from the top. The pressure in the cylinderbetween its top and the piston will then be4) PB) P/2P MgD)Key : AWhile the piston is af a distance 2L from the top, thehole at the top is scaled. The piston is then released, to aposition where it can stay in equilibrium, In thiscondition, the distance of the piston froum the top is. |
| Answer» A Fixed thermally conducting cylinder has u radius Rand height L, The cylinder is open at its bottorn andhas a small hole at its top. A piston of mass M is held ata distance L from the lop surface, us showu theatmospheric pressure is2R6 The piston is now pulled out slowly and held at adistance 2L from the top. The pressure in the cylinderbetween its top and the piston will then be4) PB) P/2P MgD)Key : AWhile the piston is af a distance 2L from the top, thehole at the top is scaled. The piston is then released, to aposition where it can stay in equilibrium, In thiscondition, the distance of the piston froum the top is. | |
| 2263. |
Why does a man weigh less on the moon than on Earth? |
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Answer» Why does a man weigh less on the moon than on Earth? |
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| 2264. |
The natural magnet is an ore of ___ . |
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Answer» The natural magnet is an ore of ___ . |
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| 2265. |
Let’s write the opposites of the following words. slow _________ up _________ back _________ tall _________ below _________ crowd _________ loud _________ go _________ |
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Answer» Let’s write the opposites of the following words.
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| 2266. |
If a body travels in a straight line and covers equal distances in equal intervals of time, what kind of motion is it said to be in? |
| Answer» If a body travels in a straight line and covers equal distances in equal intervals of time, what kind of motion is it said to be in? | |
| 2267. |
Which of the following statements about a lubricant is correct? |
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Answer» Which of the following statements about a lubricant is correct? |
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| 2268. |
The least count of a stop watch is 1/5 second. The time of 20 oscillations of a pendulum is measured to be 25 seconds. The maximum percentage error in the measurement of time will be? |
| Answer» The least count of a stop watch is 1/5 second. The time of 20 oscillations of a pendulum is measured to be 25 seconds. The maximum percentage error in the measurement of time will be? | |
| 2269. |
Describe "range of attraction" and "power of attraction" for magnets. [3 MARKS] |
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Answer» Describe "range of attraction" and "power of attraction" for magnets. [3 MARKS] |
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| 2270. |
What is unbalanced wheetstone bridge. |
| Answer» What is unbalanced wheetstone bridge. | |
| 2271. |
1. In the following circuit there are two branches as shown in figure . find the condition such that total current is in phase with total voltage. |
| Answer» 1. In the following circuit there are two branches as shown in figure . find the condition such that total current is in phase with total voltage. | |
| 2272. |
If we take the like poles of the two magnets and stick it with untarable tape what will happen will it stick then why we say that like poles repel |
| Answer» If we take the like poles of the two magnets and stick it with untarable tape what will happen will it stick then why we say that like poles repel | |
| 2273. |
Is clear water opaque, translucent or transparent? |
| Answer» Is clear water opaque, translucent or transparent? | |
| 2274. |
What is the difference between the periodic motion and oscillatary motion? |
| Answer» What is the difference between the periodic motion and oscillatary motion? | |
| 2275. |
An object is falling from a terrace (height 20m). At what point does it have the maximum kinetic energy? |
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Answer» An object is falling from a terrace (height 20m). At what point does it have the maximum kinetic energy? |
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| 2276. |
What is a Temporary Magnets ? |
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Answer» What is a Temporary Magnets ? |
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| 2277. |
A stone Falls from rest the distance covered by it in the last second of its motion is equal to the distance covered in the first three seconds what is the height from which the stone was dropped |
| Answer» A stone Falls from rest the distance covered by it in the last second of its motion is equal to the distance covered in the first three seconds what is the height from which the stone was dropped | |
| 2278. |
Which of the following scenarios are the applications of an inclined plane? |
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Answer» Which of the following scenarios are the applications of an inclined plane? |
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| 2279. |
If the axis of rotation of the earth were extended into space then it would pass close to |
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Answer» If the axis of rotation of the earth were extended into space then it would pass close to |
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| 2280. |
The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Explain why. [2 MARKS] |
| Answer» The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Explain why. [2 MARKS] | |
| 2281. |
40 how to calculate the value of von't hoff factor? |
| Answer» 40 how to calculate the value of von't hoff factor? | |
| 2282. |
There is a square plot with side length equal to 10 m. A farmer wanted to grow wheat on half of his field and leave the remaining land as such. Find the area of land used to grow wheat. |
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Answer» There is a square plot with side length equal to 10 m. A farmer wanted to grow wheat on half of his field and leave the remaining land as such. Find the area of land used to grow wheat. |
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| 2283. |
What colour will i see if green light gets reflected from green paper? And why does sun light after falling on a green (or any other) coloured surface reflects a light greenish light on screen |
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Answer» What colour will i see if green light gets reflected from green paper? And why does sun light after falling on a green (or any other) coloured surface reflects a light greenish light on screen |
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| 2284. |
4. How to find gravitational potential inside earth at depth x from surface |
| Answer» 4. How to find gravitational potential inside earth at depth x from surface | |
| 2285. |
A travels at the speed of 30 m s−1 for 4 s. If the objective of A was to cover 200 m in 8 s, what speed must it travel with in the remaining time to cover the distance? |
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Answer» A travels at the speed of 30 m s−1 for 4 s. If the objective of A was to cover 200 m in 8 s, what speed must it travel with in the remaining time to cover the distance? |
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| 2286. |
Which of the following options shows the correct direction of current flow in a circuit? |
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Answer» Which of the following options shows the correct direction of current flow in a circuit? |
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| 2287. |
How can you confirm that something is moving? |
| Answer» How can you confirm that something is moving? | |
| 2288. |
Will electric current flow in a circuit in which there is a gap between two wires? |
| Answer» Will electric current flow in a circuit in which there is a gap between two wires? | |
| 2289. |
Conductors and insulators are equally important. Explain why? [5 MARKS] |
| Answer» Conductors and insulators are equally important. Explain why? [5 MARKS] | |
| 2290. |
What is trailing of mercury? |
| Answer» What is trailing of mercury? | |
| 2291. |
After walking 20km towards North Ram starts walking towards South and walks 45km. How far is Ram now from the starting point? What is the total distance travelled by Ram? |
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Answer» After walking 20km towards North Ram starts walking towards South and walks 45km. How far is Ram now from the starting point? What is the total distance travelled by Ram? |
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| 2292. |
Which of the following revolve around the Sun in very large elliptical orbits? |
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Answer» Which of the following revolve around the Sun in very large elliptical orbits? |
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| 2293. |
Can you name anything that can travel faster than the speed of light? |
| Answer» Can you name anything that can travel faster than the speed of light? | |
| 2294. |
A student performs experiments with simple pendulum and measures time for 10 vibrations. If he measures a time for 100 vibrations, the relative error in meaaurements of time period will be redused by 1) 10% 2) 90% 3)100% 4)1000% |
| Answer» A student performs experiments with simple pendulum and measures time for 10 vibrations. If he measures a time for 100 vibrations, the relative error in meaaurements of time period will be redused by 1) 10% 2) 90% 3)100% 4)1000% | |
| 2295. |
Which place on earth experiences 24 hours of daylight in the month of June? |
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Answer» Which place on earth experiences 24 hours of daylight in the month of June? |
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| 2296. |
Give the reasons for error in measurement in the following images. |
Answer» Give the reasons for error in measurement in the following images. |
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| 2297. |
The mass of the planet whose satellite in An orbit if radius R Has time period T is |
| Answer» The mass of the planet whose satellite in An orbit if radius R Has time period T is | |
| 2298. |
What force acts upon a ball after it has been hit skywards? |
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Answer» What force acts upon a ball after it has been hit skywards? |
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| 2299. |
59. Which one is not paramagnetic among thefollowing? \lbrack at. no. of Be 4, Ne 10,As 33,Cl- 17(a) Cl(c) Ne119981( b) Be(d) As |
| Answer» 59. Which one is not paramagnetic among thefollowing? \lbrack at. no. of Be 4, Ne 10,As 33,Cl- 17(a) Cl(c) Ne119981( b) Be(d) As | |
| 2300. |
ntWhat is the formula for rolling friction ?n |
| Answer» ntWhat is the formula for rolling friction ?n | |