Question on: JAMB Physics - 1998
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
A
i, ii, iii and iv
B
i, ii, iv only
C
i, iii, iv only
D
ii, iii, iv only
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Correct Option: B
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