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State two differences between a real ima...

State two differences between a real image and a virtual image.

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(a) Define real and virtual images (b) State the difference between real and virtual images.

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When an object is at distances x and y from a lens, a real image and a virtual image is formed respectively having same magnification. The focal length of the lens is

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ICSE-MODEL TEST PAPER 2-SECTION II
  1. Write the energy conversion that place in a hydropower plant.

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  2. What do you mean by lateral inversion of an image?

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  3. State two differences between a real image and a virtual image.

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

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

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

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

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

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

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

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

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  12. State difference between boiling and evaporation.

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

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

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

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  18. What is a sonar?

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

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

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