Question

35. In A POR, scg QS 1 sidc PR.
(PS) = (QS). mPQS :m2 SQR = 3:1.
Find mZR.
(1) 75
(2) 25°
(3) 65°
(4) 15°
.
Inice char252 arm from
luce sched​

Answer 1

Step-by-step explanation:

The velocity of light in kerosene is 2.08 x 10-8 ms-1

. Calculate the

refractive indexof kerosene.(velocity of light in vacuum is 3 x 10-8 ms-1)