In which of the following arrangements is the wavelength ...
In which of the following arrangements is the wavelength in an increasing order?
Gamma rays, infra-red rays, x-rays, radiowaves
Gamma rays, x-rays, infra-red ray, radiowaves
Radiowaves, x-rays, gamma ray, infra-red rays
Infra-red rays, radiowaves, x-rays, gamma rays
Correct answer is B
No explanation has been provided for this answer.
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Non-luminous object can be seen because they ...
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