Question

Assertion : A laser beam `0.2 W` power can drill holes through a metal sheet, whereas `1000 W` torch-light cannot.
Reason : The frequency of laser light is much higher than that of torch light.
A. Statement-1 is true, Statement-2 is true and Statement-2 is correct explanation of Statement-1.
B. Statement-1 is true, Statement-2 is true, but Statement-2 is not a correct explanation of Statement-1.
C. Statement-1 is true, but Statement-2 is false
D. Statement-1 is false, but Statement-2 is true.

Answer 1

Correct Answer - c
Energy per sec per unit area of laser beam is very high than that of torch light, though the frequency of the two may be the same.