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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.
| 8251. |
Certain amount of hot water was added to three times its mass of cold water at 10∘C. The resulting temperature was found to be 20∘C. The initial temperature of the hot water is: |
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Answer» Certain amount of hot water was added to three times its mass of cold water at 10∘C. The resulting temperature was found to be 20∘C. The initial temperature of the hot water is: |
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| 8252. |
We can hear sound when a cricket ball strikes the floor because |
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Answer» We can hear sound when a cricket ball strikes the floor because |
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| 8253. |
Will you be able to drink water in space using a straw? Why or why not? |
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Answer» Will you be able to drink water in space using a straw? Why or why not? |
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| 8254. |
Why does positive charges one closer when a negatively charged object is brought near to it? |
| Answer» Why does positive charges one closer when a negatively charged object is brought near to it? | |
| 8255. |
Why doesn't the gravity attract things that float on water???? |
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Answer» Why doesn't the gravity attract things that float on water???? |
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| 8256. |
What is univers ? |
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Answer» What is univers ? |
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| 8257. |
It is difficult to walk on a slippery floor beacuse of |
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Answer» It is difficult to walk on a slippery floor beacuse of |
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| 8258. |
What is difference between sliding friction and static friction? |
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Answer» What is difference between sliding friction and static friction? |
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| 8259. |
Explain the statement The rear side of truck is provided with double wheels. |
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Answer» Explain the statement The rear side of truck is provided with double wheels. |
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| 8260. |
A ray of light falling parallel to the principal axis on a convex mirror follows which of the following paths? |
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Answer» A ray of light falling parallel to the principal axis on a convex mirror follows which of the following paths?
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| 8261. |
Flat-footed camels can walk easily in sandy deserts because the pressure per unit area on the sand is |
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Answer» Flat-footed camels can walk easily in sandy deserts because the pressure per unit area on the sand is |
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| 8262. |
Moment of force is a |
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Answer» Moment of force is a |
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| 8263. |
Why a inflated balloon when burst produce a sound |
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Answer» Why a inflated balloon when burst produce a sound |
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| 8264. |
What should be the characteristic of a fuse wire? |
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Answer» What should be the characteristic of a fuse wire? |
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| 8265. |
What is the wavelength of light (nm) that has a frequency of 4.62 ×1014s-1?a. 932b. 649c. 1.54 × 10-3d.1.07 × 106 |
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Answer» What is the wavelength of light (nm) that has a frequency of 4.62 ×1014s-1? a. 932 b. 649 c. 1.54 × 10-3 d.1.07 × 106 |
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| 8266. |
When you stop pedaling a bicycle, it eventually comes to a stop. Which type of force is involved in this process? |
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Answer» When you stop pedaling a bicycle, it eventually comes to a stop. Which type of force is involved in this process? |
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| 8267. |
Identify the elements in the below diagram |
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Answer» Identify the elements in the below diagram |
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| 8268. |
The device which can be used to detect very small current flowing in an electric circuit is : (a) LEAD (b) dB (c) MCB (d) LED |
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Answer» The device which can be used to detect very small current flowing in an electric circuit is : |
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| 8269. |
A body when immersed in kerosene, it sinks. What relation could be established between the density of the body and density of kerosene? |
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Answer» A body when immersed in kerosene, it sinks. What relation could be established between the density of the body and density of kerosene? |
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| 8270. |
One student says that water exerts pressure on the bottom of the bucket but another student says that water exerts pressure on the sides of the bucket. What would you like to say ? |
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Answer» One student says that water exerts pressure on the bottom of the bucket but another student says that water exerts pressure on the sides of the bucket. What would you like to say ? |
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| 8271. |
Himanshu has three buckets as shown below. Suppose he puts his right hand in bucket A and his left hand in bucket B. Then, he puts both of his hands in normal water. His right-hand feels that the water here is hot and his left-hand feels it is cold. Select the correct option: |
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Answer» Himanshu has three buckets as shown below. Suppose he puts his right hand in bucket A and his left hand in bucket B. Then, he puts both of his hands in normal water. His right-hand feels that the water here is hot and his left-hand feels it is cold. Select the correct option:
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| 8272. |
The total number of compressions and rarefactions produced per second in a sound wave is 50. The frequency of the sound wave is ___. |
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Answer» The total number of compressions and rarefactions produced per second in a sound wave is 50. The frequency of the sound wave is |
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| 8273. |
Sun rotate on its own axis. How much time does it take to complete one rotation? |
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Answer» Sun rotate on its own axis. How much time does it take to complete one rotation? |
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| 8274. |
Who found eye structure |
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Answer» Who found eye structure |
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| 8275. |
If you slide out of a car seat on a cold, dry day, you get an electric shock when you touch the car body. If you hold on to the body of the car and slide out, this does not happen. Why is this so? |
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Answer» If you slide out of a car seat on a cold, dry day, you get an electric shock when you touch the car body. If you hold on to the body of the car and slide out, this does not happen. Why is this so? |
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| 8276. |
Give reason for the following- a) Why doctors advice to put strips of wet cloth on the forehead of a patient having high fever. b) A certain amount of water placed on a dish evaporates faster than in a bottle. c) Ice bergs are dangerous for ships. d) Why it is easier to open the door by pushing it at its free end. |
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Answer» Give reason for the following- a) Why doctors advice to put strips of wet cloth on the forehead of a patient having high fever. b) A certain amount of water placed on a dish evaporates faster than in a bottle. c) Ice bergs are dangerous for ships. d) Why it is easier to open the door by pushing it at its free end. |
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| 8277. |
Is friction dependent of surface area of contact ? |
| Answer» Is friction dependent of surface area of contact ? | |
| 8278. |
Why is it so that it is difficult to drive a bicycle on a concrete road with less pressure in the tires |
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Answer» Why is it so that it is difficult to drive a bicycle on a concrete road with less pressure in the tires |
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| 8279. |
Ganesh constructs a barometer. However, instead of mercury, he places another fluid in it. He observes that at normal atmospheric pressure, the height of the liquid column is 7.04 m. What is the density of the liquid used? |
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Answer» Ganesh constructs a barometer. However, instead of mercury, he places another fluid in it. He observes that at normal atmospheric pressure, the height of the liquid column is 7.04 m. What is the density of the liquid used? |
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| 8280. |
One light year is the distance travelled by light in |
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Answer» One light year is the distance travelled by light in |
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| 8281. |
In a tug of war, when the two teams are pulling the rore, a stage comes when the rope does not move to either side at all . What can you say about the magnitudes and directions of the forces being applied to the rope by the two teams at this stage ? |
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Answer» In a tug of war, when the two teams are pulling the rore, a stage comes when the rope does not move to either side at all . What can you say about the magnitudes and directions of the forces being applied to the rope by the two teams at this stage ? |
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| 8282. |
Which of the following statement is correct regarding magnets? |
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Answer» Which of the following statement is correct regarding magnets? |
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| 8283. |
Name three characteristics of a musical sound. |
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Answer» Name three characteristics of a musical sound. |
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| 8284. |
How one can use the sublimation process to separate different compounds from the mixture? |
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Answer» How one can use the sublimation process to separate different compounds from the mixture? |
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| 8285. |
Two charges of unknown magnitudes are kept 5m away from each other. The magnitude of force between them is measured to be F. If these charges are then moved so that the distance between them is 20m, what is the new force between them? |
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Answer» Two charges of unknown magnitudes are kept 5m away from each other. The magnitude of force between them is measured to be F. If these charges are then moved so that the distance between them is 20m, what is the new force between them? |
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| 8286. |
Name one compound which is decomposed into hydrogen and oxygen by using the chemical effect of electric current. |
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Answer» Name one compound which is decomposed into hydrogen and oxygen by using the chemical effect of electric current. |
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| 8287. |
The rate of work done or electrical energy developed or consumed by a generator or appliance, is termed as electrical __. |
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Answer» The rate of work done or electrical energy developed or consumed by a generator or appliance, is termed as electrical |
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| 8288. |
If Density = Mass/Volume, what is Volume =?, What is mass =? If Pressure= Force/Area, what is area =?, What is force =? |
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Answer» If Density = Mass/Volume, what is Volume =?, What is mass =? If Pressure= Force/Area, what is area =?, What is force =? |
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| 8289. |
What is relation between velocity and kinetic energy and why is so |
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Answer» What is relation between velocity and kinetic energy and why is so |
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| 8290. |
Place a paper cup containing water over a flame. The water will become hot, but the cup will not burn.Justify |
| Answer» Place a paper cup containing water over a flame. The water will become hot, but the cup will not burn.Justify | |
| 8291. |
Name two planets which show phases like the moon. |
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Answer» Name two planets which show phases like the moon. |
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| 8292. |
The angle between the two plane refracting surfaces of the prism is called: |
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Answer» The angle between the two plane refracting surfaces of the prism is called: |
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| 8293. |
The lowest frequency or fundamental mode for sound vibrating in a pipe closed at one end in terms of its length and velocity of sound is given by |
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Answer» The lowest frequency or fundamental mode for sound vibrating in a pipe closed at one end in terms of its length and velocity of sound is given by |
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| 8294. |
The various components of an electroscope are shown in the given figure. Labels I and II of the given electroscope are indicating : |
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Answer» The various components of an electroscope are shown in the given figure.
Labels I and II of the given electroscope are indicating : |
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| 8295. |
Pressure at a point inside a liquid does not depend on ___. |
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Answer» Pressure at a point inside a liquid does not depend on ___. |
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| 8296. |
is used to oxidise ethanol to ethanoic acid. |
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Answer» |
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| 8297. |
The boiling point of liquid decreases with _____ in pressure. |
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Answer» The boiling point of liquid decreases with _____ in pressure. |
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| 8298. |
How a charge body can attract a uncharged body.?explain briefly. |
| Answer» How a charge body can attract a uncharged body.?explain briefly. | |
| 8299. |
Will time travel and teleportation be possible in future? |
| Answer» Will time travel and teleportation be possible in future? | |
| 8300. |
From the following observations calculate the density and relative density of a brine solution. Mass of empty bottle=22g Mass of bottle+water=50g Mass of bottle+brine solution=54g |
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Answer» From the following observations calculate the density and relative density of a brine solution. Mass of empty bottle=22g Mass of bottle+water=50g Mass of bottle+brine solution=54g |
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