Home Physics Electromagnetic Wave General Which of the following statement is wrong [N…
Physics Electromagnetic Wave General MCQ (Single Correct)

Which of the following statement is wrong [NCERT 1976]

A
Ultra-violet rays have a wavelength longer than infra-red rays.
B
Infra-red rays travel with the same velocity as visible light.
C
Infra-red can be focussed by a lens and can be reflected by a mirror just as visible light
D
Infra-red rays have more heating power than visible light rays

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The correct answer is:
A

a

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