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Electromagnetic...

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  • Question 1
    1 / -0

    State the part of the electromagnetic spectrum to which 21 cm wavelength emitted by atomic hydrogen in interstellar space belongs to?

  • Question 2
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    State the part of the electromagnetic spectrum to which 1057 MHz (frequency of radiation arising from two close energy levels in hydrogen known as Lamb shift) belongs to?

  • Question 3
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    Part of the electromagnetic spectrum to which 2.7 K [temperature associated with the isotropic radiation filling all space-thought to be a relic of the ‘big-bang’ origin of the Universe] belong to is

  • Question 4
    1 / -0

    Part of the electromagnetic spectrum to which 14.4 keV [energy of a particular transition in 57Fe nucleus associated with a famous high resolution spectroscopic method (Mossbauer spectroscopy)] belongs to is

  • Question 5
    1 / -0

    Long distance radio broadcasts use short-wave bands because

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