Q.

(A) : The energy of ultraviolet radiation is greater than the energy of infrared radiation
(R) : The velocity of ultraviolet radiation is greater than the velocity of infrared radiation

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a

R is true and A is false

b

Both A and R are true and R is the correct explanation of A

c

A is true and R is false

d

Both A and R are true but R is not the correct explanation of A

answer is C.

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Detailed Solution

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Wavelength is inversely proportional to the energy of the wave.

Wavelength of IR is higher than UV, therefore the energy of IR is lower than UV.

This implies that the given assertion is true but the reason is wrong.

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