Optics Question 749

Question: The time required to pass the light through a glass slab of 2 mm thick is ( μglass=1.5 )

[AFMC 1997; MH CET 2002, 04]

Options:

A) 105s

B) 1011 s

C) 109s

D) 1013 s

Show Answer

Answer:

Correct Answer: B

Solution:

t=μxc=1.5×2×1033×108=1011 sec



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