The distance travelled by light in glass (R.I.= 1.5) in a nanosecond will be - VgyanHub

Question:

The distance travelled by light in glass (R.I.= 1.5) in a nanosecond will be

Options :

(a) 45 cm
(b) 40 cm
(c) 30 cm
(d) 20 cm

Answer :

(d) 20 cm

Answer Steps :

step 1

step 2

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