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A monochromatic beam of light of wav...

A monochromatic beam of light of wavelength `lamda ` passes from air into the glass block , write an expression to show the relation between the speed of light in air and the speed of light in glass .

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ICSE-SELF ASSESSMENT PAPER -5-SECTION-B
  1. A monochromatic beam of light of wavelength lamda passes from ...

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  2. Define .joulė..the S.I. unit of work and establish a relationship betw...

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  3. Draw a displacement-distance graph for two waves A and B such that the...

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  4. Give one example of forced vibration.

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  5. State two necessary conditions for hearing a distance echo.

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  6. Explain, why in daylight an object appears red when seen through a red...

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  7. Name the extreme colours in pure spectrum of light.

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  8. A substance has nearly zero resistance at a temperature of 1 K What is...

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  9. State the factors affecting the resistance of a conductor.

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  10. An object AB is placed between O and F1 on the principal axis of a con...

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  11. The wavelength of waves produced on the surface of water is 20 cm. If ...

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  12. The wavelength of waves produced on the surface of water is 20 cm. If ...

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  13. (a) How does the angle of deviation produced by a prism change with in...

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  14. How does the angle of minimum deviation produced by a prism change wit...

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  15. Give three reasons for the loss in energy in a machine.

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  16. An electric iron is rated at 220 V, 2 kW. If the iron is used for 2...

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  17. An electric iron is rated at 220 V, 2 kW. Why is the fuse absolutel...

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  18. Name the factor affecting the Centre of gravity of a body.

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  19. A uniform meter scale is kept in equilibrium when supported at the 60 ...

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  20. The given ray diagram illustrates the experimental set up for the dete...

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  21. The given ray diagram illustrates the experimental set up for the dete...

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