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Name two sources, each of infrared radia...

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

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ICSE-SPECTRUM-EXERCISE B
  1. Name the waves (a) of lowest wavelength, (b) used for taking photograp...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. State the name and the range of wavelength of the invisible electromag...

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  20. Name three radiations and their wavelength range which are invisible a...

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