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Name the radiations of wavelength just (...

Name the radiations of wavelength just (a) longer than `8 xx 10^(-7)` m. (b) shorter than `4 xx 10^(-7)` m

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The correct Answer is:
(a) infrared (b) ultraviolet
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ICSE-SPECTRUM-EXERCISE B
  1. Name the radiation which can be detected by (a) a thermopile (b) a sol...

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  2. State the approximate range of wavelength associated with (a) ultravio...

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  3. Name the radiations of wavelength just (a) longer than 8 xx 10^(-7) m....

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  4. Name two electromagnetic waves of wavelength smaller than that of viol...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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