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Pick out the longest wavelength from the...

Pick out the longest wavelength from the following types of radiations

A

Blue light

B

`gamma` -rays

C

X-rays

D

Red light

Text Solution

Verified by Experts

The correct Answer is:
D
`lambda_("Red") gt lambda_("Blue") gt lambda_("X-ray") gt lambda_(gamma)`
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ERRORLESS-WAVE OPTICS AND ELECTROMAGNETIC THEORY-NCERT BASED QUESTIONS (EM Waves )
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  2. The energy of infrared waves is greater than that of

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  3. Which of the following are not electromagnetic waves?

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  4. Which of the following shows green house effect?

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  5. Biological importance of Ozone layer is

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  6. Radio wave diffract around building although light waves do not. The r...

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  7. Energy stored in electromagnetic osicllations is in the form of

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  8. Heat radiations propagate with the speed of

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  9. The oscillating electric and magnetic vectors of an electromagnetic wa...

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  10. A plane electromagnetic wave is incident on a material surface. The wa...

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  11. If lambdav, lambdax and lambdam represents the wavelength of visible...

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  12. The pressure exerted by an electromagnetic wave of intensity l ("watt/...

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  13. Which of the following is not an electromagnetic wave?

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  14. The wavelength of the matter wave is independent of

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  15. An electromagnetic wave is propagating along Y-axis. Then

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  16. Consider the following statements about e.m. wave and choose the corre...

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  17. The wavelength of the short radio waves, microwaves, ultraviolet waves...

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  18. Light is an electromagnetic wave. Its speed in vacuum is given by the ...

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  19. The speed of electromagnetic wave in vacuum depends upon the source of...

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  20. In an apparatus the electric field was found to oscillate with an ampl...

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