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प्रश्न
Name the radiation of the electromagnetic spectrum which is used for the following:
For taking photographs of the sky during the night and foggy conditions . Give the frequency range
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उत्तर
Infrared (1011 to 5 × 1014)Hz
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संबंधित प्रश्न
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What are ultraviolet radiations?
Can Lα X-ray of one material have shorter wavelength than Kα X-ray of another?
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(a) E(Kα) > E(Kβ) > E(Kγ)
(b) E(Mα) > E(Lα) > E(Kα)
(c) λ(Kα) > λ(Kβ) > λ(Kγ)
(d) λ(Mα) > λ(Lα) > λ(Kα).
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Answer briefly.
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