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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 is the range of the wavelength of the following electromagnetic waves?
(a) Visible.
What is the range of the wavelength of the following electromagnetic waves?
(a) Micro waves .
How are X-rays produced?
Which part of electromagnetic spectrum is used in radar systems?
The energy of a photon of a characteristic X-ray from a Coolidge tube comes from
Moseley's Law for characteristic X-ray is √v = a(Z − b). Here,
One of the following wavelengths is absent and the rest are present in the X-rays coming from a Coolidge tube. Which one is the absent wavelength?
The wavelengths of Kα and Lα X-rays of a material are 21.3 pm and 141 pm respectively. Find the wavelength of Kβ X-ray of the material.
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
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- Calculate the speed of the wave.
- Name the medium through which it is traveling.
State three properties of ultra-violet radiation similar to visible light.
