1.

The time taken by sunlight to cross a 5 mm thick glass plate (mu=3//2) is

Answer»

`0.25xx10^(-10)` s
`0.167xx10^(-7) s`
`2.5 xx10^(-10) s`
`1.0xx10^(-10) s`

ANSWER :a


Discussion

No Comment Found

Related InterviewSolutions