Question

Unpolarized light falls on a Nicol prism. Polarized light emerging from it falls on another crossed Nicol. If the crossed Nicol is rotated through 30°, the percentage of incident light transmitted is​

Answer 1

Explanation:

Distance covered by train = 200km

Speed of train = 60 km\ h^{-1}km h

−1

Speed = distance/time taken

60 = \frac{200}{time}

time

200

Time = \frac{200}{60}=\frac{10}{3}hhour