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प्रश्न
Write the range of the wavelength of the following electromagnetic radiations:
(a) Infrared rays
(b) Ultraviolet rays
(c) γ -rays
Write one use of each of the above.
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उत्तर
(a) Range of wavelength of Infrared range. 25μm - 2.5μm
(b) Range of Ultraviolet rays 400 nm - 1nm
(c) Range of γ -rays : <10-12 m
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संबंधित प्रश्न
What role dose infra-red radiation play in maintain the Earth’s warmth
Use the formula λm T= 0.29 cm K to obtain the characteristic temperature ranges for different parts of the electromagnetic spectrum. What do the numbers that you obtain tell you?
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(a) Which colour has the greater speed in vacuum?
(b) Which colour has the greater speed in glass?
What is the range of the wavelength of the following electromagnetic waves?
(A) Radio waves.
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Name the scientist who discovered Visible light
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- Calculate the speed of the wave.
- Name the medium through which it is traveling.
Which of the following is a tool used for separating the different color wavelengths from each other?
Which description identifies how radio waves are mainly produced?
