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What is a sonar?...

What is a sonar?

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ICSE-MODEL TEST PAPER 2-SECTION II
  1. State two differences between a real image and a virtual image.

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  2. In the figure given the angle between incident ray and the reflected r...

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  3. In the figure given the angle between incident ray and the reflected r...

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  4. In the figure given the angle between incident ray and the reflected r...

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  5. Fill in the blanks using what you have learnt on addition of colours ...

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  6. Fill in the blanks using what you have learnt on addition of colours ...

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  7. What are the two reference points of a thermometer scale?

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  8. What phase change happen when water vapour becomes frost?

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  9. Mud houses are coller in summer and water in winter because

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  10. State difference between boiling and evaporation.

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  11. Look at the picture of the thermos flask and answer the following ques...

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  12. Look at the picture of the thermos flask and answer the following ques...

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  13. Look at the picture of the thermos flask and answer the following ques...

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  14. Look at the picture of the thermos flask and answer the following ques...

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  15. The time period of a vibrating body is 0.020. What is its frequency?

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  16. What is a sonar?

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  17. A boy fires a gun and another boy at a distance of 1360 m hears the so...

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  18. How will you test whether a given rod is a magnet or not?

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  19. State two differences between an electromagnet and a permanent magnet.

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  20. In the following figures, the bulbs in Figure A and D glow, but the bu...

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