Physics, asked by Prajwalgowda5518, 9 months ago

The angle between an incident ray and the mirror is theta the total angle turned by the Ray of light is 7
0 degree what is the value of theta

Answers

Answered by Anonymous
1

Answer:

ANSWER

Glancing angle of incidence=60

0

, given.

So, angle of incidence =90

0

−60

0

=30

0

And, obviously, angle of reflection=30

0

∴ total angle turned by the ray= angle of deviation =180

0

− angle of incidence+angle of reflection=180

0

−[30

0

+30

0

]=120

0

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