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What is the principle on which a spring ...

What is the principle on which a spring balance works?

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ICSE-MODEL TEST PAPER 1-SECTION II
  1. When is a body said to be in uniform motion?

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  2. Define the term weight and state its S.I. unit.

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  3. What is the principle on which a spring balance works?

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  4. The weight of a person in moon is only 1/6 of that on the Earth. Give ...

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  5. Define the term energy and state its S.I. unit

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  6. What kind of energy do fuels such as coal, petrol, dry wood, and batte...

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  7. If an elephant and a bull are running with the same speed, which one w...

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  8. Look at the figure of a ball resting on top of a wall. At A, it's ener...

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  9. Look at the figure of a ball resting on top of a wall. At A, it's ener...

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  10. Look at the figure of a ball resting on top of a wall. At A, it's ener...

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  11. Look at the figure of a ball resting on top of a wall. At A, it's ener...

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  12. Look at the figure of a ball resting on top of a wall. At A, it's ener...

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  13. State the two laws of reflection.

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  14. If the angle of incidence is 32^@, then what will the angle between in...

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  15. Distinguish between Regular and diffused reflection .

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  16. Name two devices that use plane mirrors.

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  17. Name secondary colours of light? How are they formed?

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  18. How is melting different from solidification?

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  19. What kind of phase change do mothballs go through when they are kept i...

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  20. The temperature of an object is 80^@F. What will be its temperature in...

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