Question

4.
a) 12
b) 2
c) 11
d) 15
Calculate the deviation suffered by a ray which is incident on a plane horizontal mirror at an angle of 60°
a) 30°
b) 40°
c) 60°
d) 120°
Two mirrors are inclined at an angle of 150
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5.​

Answer 1

Answer:

60

Step-by-step explanation:

So from the figure angle of reflection is 60  

0

, by laws of reflection hence, angle of deviation

δ=180  

0

−i−r=180  

0

−60  

0

−60  

0

 

δ=60  

0