in the fig AB and BC are 2 plane mirrors aranged in 120degrees a ray incident at angle 55degrees on AB find the value of x
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65°.
The angle the first reflected ray makes with the horizontal = 90° - 55° = 35°
The angle at the top of the triangle: 180 ° - 120° - 35° = 25°
At the second reflection:
so angle of incidence = angle of refraction = x = 90° - 25° = 65°
The angle the first reflected ray makes with the horizontal = 90° - 55° = 35°
The angle at the top of the triangle: 180 ° - 120° - 35° = 25°
At the second reflection:
so angle of incidence = angle of refraction = x = 90° - 25° = 65°
Sanjana111:
is this ans fix i mean is it pucca
it is correct....
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