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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.
| 7451. |
What can be the effects of force? 1. It can increase the speed of a moving body. 2. It can change the shape of an object. 3. It can decrease the speed of a moving body. 4. It can bring a moving body to rest. |
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Answer» What can be the effects of force? 1. It can increase the speed of a moving body. 2. It can change the shape of an object. 3. It can decrease the speed of a moving body. 4. It can bring a moving body to rest. |
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| 7452. |
The SI unit of force is___. |
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Answer» The SI unit of force is |
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| 7453. |
Which of the following statements is false about the formation of a rainbow? |
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Answer» Which of the following statements is false about the formation of a rainbow? |
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| 7454. |
Name the substance which vibrates in a flute to produce sound. |
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Answer» Name the substance which vibrates in a flute to produce sound. |
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| 7455. |
Define lightning |
| Answer» Define lightning | |
| 7456. |
A person has applied some mustard oil on his hands. Which of the following objects will become most difficult for him to hold in his hand? (a) Earthen cup(kulhar) (b) thermocol tumbler (c) glass tumbler (d) wooden cup |
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Answer» A person has applied some mustard oil on his hands. Which of the following objects will become most difficult for him to hold in his hand? |
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| 7457. |
Which of the following is not an application of the chemical effect of electric current ? (a) electroplating of metals (b) purification of metals (c) decomposition of elements (d) decomposition of compounds |
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Answer» Which of the following is not an application of the chemical effect of electric current ? |
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| 7458. |
In one case, an inflated balloon is rubbed with a woollen cloth and in another, a ballpen refill is rubbed with polythene. When they are brought closer, it is observed that they attract each other. What can we understand by this? |
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Answer» In one case, an inflated balloon is rubbed with a woollen cloth and in another, a ballpen refill is rubbed with polythene. When they are brought closer, it is observed that they attract each other. What can we understand by this? |
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| 7459. |
A source of sound produces 20 compressions and 20 rarefactions in 0.2 seconds. The distance between a compression and consecutive rarefaction is 50 cm. Find speed of wave? |
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Answer» A source of sound produces 20 compressions and 20 rarefactions in 0.2 seconds. The distance between a compression and consecutive rarefaction is 50 cm. Find speed of wave? |
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| 7460. |
Is ozone heavier than air? |
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Answer» Is ozone heavier than air? |
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| 7461. |
find the value of under root 5605, hence value of root506.25+ root 5.0625 |
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Answer» find the value of under root 5605, hence value of root506.25+ root 5.0625 |
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| 7462. |
Name the property involved in the following example. 2(3/5+1/2)=2(3/5)+2(1/2) |
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Answer» Name the property involved in the following example. 2(3/5+1/2)=2(3/5)+2(1/2) |
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| 7463. |
Why is it difficult to cook vegetables at hill stations? |
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Answer» Why is it difficult to cook vegetables at hill stations? |
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| 7464. |
Why does the Clock rotates Clockwise and not Anti Clockwise?? |
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Answer» Why does the Clock rotates Clockwise and not Anti Clockwise?? |
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| 7465. |
A simple pendulum is hanging from the roof of the bus. The string is inclined towards the rear of the train. What is the nature of motion of the bus? |
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Answer» A simple pendulum is hanging from the roof of the bus. The string is inclined towards the rear of the train. What is the nature of motion of the bus? |
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| 7466. |
Quality is the characteristic of sound _____. |
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Answer» Quality is the characteristic of sound _____. |
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| 7467. |
What is formed when magnesium reacts with cold water? |
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Answer» What is formed when magnesium reacts with cold water? |
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| 7468. |
Fill in the blanks: (a) Like charges ___ while unlike charges ___. (b) Mercury is a ___ of electricity while pure water is ___ of electricity. (c) An ebonite rod when rubbed with fur acquires the ___ charge. (d) When an uncharged conductor is brought in contact with the disc of a gold leaf electroscope, it leaves ___. (e) Charge is shared in charging a conductor by the method of ___. |
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Answer» Fill in the blanks: (a) Like charges (b) Mercury is a (c) An ebonite rod when rubbed with fur acquires the (d) When an uncharged conductor is brought in contact with the disc of a gold leaf electroscope, it leaves (e) Charge is shared in charging a conductor by the method of |
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| 7469. |
Identify the type of motion of the point "A" in each of the figures shown below |
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Answer» Identify the type of motion of the point "A" in each of the figures shown below |
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| 7470. |
Why washed clothes take longer time to dry in rainy season ? |
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Answer» Why washed clothes take longer time to dry in rainy season ? |
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| 7471. |
A moving body weighing 400N possess 500J of kinetic energy. Calculate the velocity with which the body is moving (g=10m/s2) |
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Answer» A moving body weighing 400N possess 500J of kinetic energy. Calculate the velocity with which the body is moving (g=10m/s2) |
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| 7472. |
Why all animals can't talk like us? |
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Answer» Why all animals can't talk like us? |
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| 7473. |
When a pencil cell is released from a certain point on an inclined wooden board, it travels a distance of 35 cm on floor A before it comes to rest. When the same pencil cell is released from the same point on the same inclined board, it travles a distance of 20 cm on floor B before coming to rest. Which floor, A or B, offers greater friction? Give reason for your answer. |
| Answer» When a pencil cell is released from a certain point on an inclined wooden board, it travels a distance of 35 cm on floor A before it comes to rest. When the same pencil cell is released from the same point on the same inclined board, it travles a distance of 20 cm on floor B before coming to rest. Which floor, A or B, offers greater friction? Give reason for your answer. | |
| 7474. |
Generally, a rougher surface will have |
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Answer» Generally, a rougher surface will have |
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| 7475. |
Heat exchange takes place___. |
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Answer» Heat exchange takes place |
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| 7476. |
Find ‘’ if the lines ( + 1) + y = 3 & 3y – ( – 1) = 4 are mutually ┴ |
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Answer» Find ‘’ if the lines ( + 1) + y = 3 & 3y – ( – 1) = 4 are mutually ┴ |
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| 7477. |
How do two eyes help us see 3D? |
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Answer» How do two eyes help us see 3D? |
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| 7478. |
Which type of reflection will take place when a beam of light strikes: 1. Steel utensil 2. The back of a spoon |
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Answer» Which type of reflection will take place when a beam of light strikes: 1. Steel utensil 2. The back of a spoon |
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| 7479. |
What is meant by saying that 'force is due to an ineteraction'? Give an example to illustrate your answer. |
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Answer» What is meant by saying that 'force is due to an ineteraction'? Give an example to illustrate your answer. |
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| 7480. |
Which force gets reduced when the two surfaces in contact are polished to make them smooth? |
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Answer» Which force gets reduced when the two surfaces in contact are polished to make them smooth? |
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| 7481. |
Explain effects of human activity on our environment. [5 MARKS] |
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Answer» Explain effects of human activity on our environment. [5 MARKS] |
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| 7482. |
The interaction between the Earth and the Moon which keeps the Moon revolving around the earth is___force. |
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Answer» The interaction between the Earth and the Moon which keeps the Moon revolving around the earth is |
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| 7483. |
"A wave transfers energy and not matter" justify the statement |
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Answer» "A wave transfers energy and not matter" justify the statement |
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| 7484. |
Express 512 in exponential form |
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Answer» Express 512 in exponential form |
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| 7485. |
Generally sea divers wear specially designed suits because of the fact that as we go deeper into the sea, the liquid pressure |
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Answer» Generally sea divers wear specially designed suits because of the fact that as we go deeper into the sea, the liquid pressure |
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| 7486. |
During the process of electroplating, the object being electroplated is usually connected to the___ . |
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Answer» During the process of electroplating, the object being electroplated is usually connected to the |
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| 7487. |
The force of gravity makes the sun to attract the earth toward it,but why the earth is not getting attracted towards the sun,instead it is rotating around the sun.why? Give reason. |
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Answer» The force of gravity makes the sun to attract the earth toward it,but why the earth is not getting attracted towards the sun,instead it is rotating around the sun.why? Give reason. |
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| 7488. |
Is the image of an object in a plane mirror virtual or real ? |
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Answer» Is the image of an object in a plane mirror virtual or real ? |
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| 7489. |
Which of the following planets show phases like the moon? A. Venus B. Mercury C. Jupiter D. Mars (a) A and B (b) B and C (c) A and C (d) C and D |
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Answer» Which of the following planets show phases like the moon? A. Venus B. Mercury C. Jupiter D. Mars (a) A and B (b) B and C (c) A and C (d) C and D |
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| 7490. |
8 kg is equivalent to g. |
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Answer» 8 kg is equivalent to |
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| 7491. |
An aircraft on a runway has a steady acceleration of 3 m/s2. If the aircraft passes one post on the runway at a velocity of 20 m/s, what is its velocity 8 seconds later? |
| Answer» An aircraft on a runway has a steady acceleration of 3 m/s2. If the aircraft passes one post on the runway at a velocity of 20 m/s, what is its velocity 8 seconds later? | |
| 7492. |
To minimise friction due to water (or any other liquid) and air (or any other gas), the moving body should have |
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Answer» To minimise friction due to water (or any other liquid) and air (or any other gas), the moving body should have |
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| 7493. |
_________is the pattern of magnetic field around a straight current carrying conductor. |
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Answer» _________is the pattern of magnetic field around a straight current carrying conductor. |
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| 7494. |
Answer in short ? If there is explosion on the moon, would it be heard on earth? if not why ? |
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Answer» Answer in short ? If there is explosion on the moon, would it be heard on earth? if not why ? |
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| 7495. |
Observe the given figure showing the parts of a human ear. Identify the parts of the middle ear labelled P, Q and R through which vibrations of sound travel into the ear. |
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Answer» Observe the given figure showing the parts of a human ear.
Identify the parts of the middle ear labelled P, Q and R through which vibrations of sound travel into the ear. |
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| 7496. |
What will happen if someone fell in a black hole |
| Answer» What will happen if someone fell in a black hole | |
| 7497. |
Which among the following devices work(s) on the basis of the magnetic effect of electric current? |
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Answer» Which among the following devices work(s) on the basis of the magnetic effect of electric current? |
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| 7498. |
If tsunami or cyclone at a place becomes huge and it's height becomes more than anything around, can lightning strike it as lightning strikes tall things? |
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Answer» If tsunami or cyclone at a place becomes huge and it's height becomes more than anything around, can lightning strike it as lightning strikes tall things? |
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| 7499. |
What should be the angle of incidence of a ray falling on a plane mirror if the incident and reflected rays are perpendicular to each other? |
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Answer» What should be the angle of incidence of a ray falling on a plane mirror if the incident and reflected rays are perpendicular to each other? |
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| 7500. |
Why can't I hear any thing even if someone whispered to one of the match box when the thread connecting it is slack? |
| Answer» Why can't I hear any thing even if someone whispered to one of the match box when the thread connecting it is slack? | |
