Loading [MathJax]/jax/output/HTML-CSS/jax.js
Home / Aptitude Tests / Physics / in the image above, ...

in the image above, an incident ray XY makes an angle of ...

in the image above, an incident ray XY makes an angle of 15\( ^{\circ} \) with a fixed line AY which is normal to surface of a plane mirror if the mirroe is turned as indicated by the arrow through \( 40^{\circ} \) what angle will the reflected ray make with AY

in the image above, an incident ray XY makes an angle of 15 with a fixed line AY which is normal to surface of a plane mirror if the mirroe is turned as indicated by the arrow through 40 what angle will the reflected ray make with AY

A.

25

B.

40

C.

15

D.

55

E.

95

Correct answer is E

incident ray = XY

incidence angle i = 15

rotation angle θ = 40º

angle that the reflected ray make with AY = i + 2θ  

= 15 + [2 * 40] = 15 + 80 = 95º