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. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the cor rect explanation of the assertion.
C. If assertion is true but reason is false
D. If the assertion and reason both are false