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Which of the following are true about the infra-red radiation? i. it is invisibl...


Question

Which of the following are true about the infra-red radiation? i. it is invisible ii. it is called heat ray iii. its frequency is higher than that of blue light iv. it travels as a transverse wave

Options

A) i, ii, iii and iv

B) i, ii, iv only

C) i, iii, iv only

D) ii, iii, iv only


The correct answer is B.


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