A ray of light strikes a plane mirror M at an | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) The total deviation $\delta_{	ext{net}}$ is the sum of the deviation produced by the mirror and the deviation produced by the prism.$1$. Deviatio

Vedclass · Accepted Answer

$92$

Vedclass · Answer

(C) The total deviation $\delta_{	ext{net}}$ is the sum of the deviation produced by the mirror and the deviation produced by the prism.$1$. Deviation by the plane mirror: $\delta_{	ext{mirror}} = 180^o - 2i$,where $i$ is the angle of incidence. Given $i = 45^o$,$\delta_{	ext{mirror}} = 180^o - 2(45^o) = 90^o$.$2$. Deviation by the thin prism: $\delta_{	ext{prism}} = (\mu - 1)A$,where $\mu = 1.5$ is the refractive index and $A = 4^o$ is the apex angle. $\delta_{	ext{prism}} = (1.5 - 1) 	imes 4^o = 0.5 	imes 4^o = 2^o$.$3$. Total deviation: $\delta_{	ext{net}} = \delta_{	ext{mirror}} + \delta_{	ext{prism}} = 90^o + 2^o = 92^o$.

$A$ ray of light strikes a plane mirror $M$ at an angle of $45^o$ as shown in the figure. After reflection,the ray passes through a prism of refractive index $1.5$ whose apex angle is $4^o$. The total angle through which the ray is deviated is......$^o$

Similar Questions

Which one of the following salts gives an acidic solution in water?

$A$ solid cylinder $30 \ cm$ in diameter at the top of an inclined plane $2.0 \ m$ high is released and rolls down the incline without loss of energy due to friction. Its linear speed at the bottom is .......... $m/s$.

The major product in the following reaction is

The efficiency of a Carnot engine is $50\%$ and the temperature of the sink is $500\, K$. If the temperature of the source is kept constant and its efficiency is to be raised to $60\%$,then the required temperature of the sink will be........ $K$.

The contraction of muscle of shortest duration is seen in

Vedclass Test Series

Exam Paper Generator

Online Exam Module