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Name the waves (a) of lowest wavelength,...

Name the waves (a) of lowest wavelength, (b) used for taking photographs in dark, (c) produced by changes in the nucleus of an atom, (d) of wavelength nearly 0-1 nm.

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The correct Answer is:
(a) gamma rays (b) infrared rays, (c) gamma rays (d) X-rays
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ICSE-SPECTRUM-EXERCISE B
  1. Name two electromagnetic waves of wavelength smaller than that of viol...

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  2. Give one use each of (a) microwaves, (b) ultraviolet radiations, (c) i...

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  3. Name the waves (a) of lowest wavelength, (b) used for taking photograp...

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  4. Two waves A and B have wavelength 0-01 Å and 9000 Å respectively. (a...

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  5. Name two sources, each of infrared radiations and ultraviolet radiatio...

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  6. What are infrared radiations ? How are they detected ? State one use o...

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  7. What are ultraviolet radiations ? How are they detected ? State one us...

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  8. Name three properties of ultraviolet radiations which are similar to v...

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  9. Give two properties of ultraviolet radiations which differ from visibl...

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  10. Mention three properties of infrared radiations similar to visible lig...

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  11. Give two properties of infrared radiations which differ from visible l...

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  12. Name the material of prism required for obtaining the spectrum of (a) ...

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  13. Name the radiations which are absorbed by the green house gases in the...

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  14. State one harmful effect each of the (a) ultraviolet and (b) infrared ...

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  15. Give reason for the following: (i) Infrared radiations are used for ...

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  16. (a) Give a list of at least five radiations, in the order of their inc...

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  17. (a) Arrange the following radiations in the order of their increasing ...

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  18. A wave has a wavelength 10-3 nm. (a) Name the wave. (b) State its one ...

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  19. A wave has wavelength 50 A. (a) Name the wave. (b) State its speed in ...

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  20. (a) Name the high energetic invisible electro magnetic wave which help...

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