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प्रश्न
What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?
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उत्तर
If the reflected ray is at an angle of 90° to the incident ray, then the angle of incidence is 45°. According to the law of reflection, the angle of incidence is equal to the angle of reflection.
Therefore, the angle of incidence and the angle of reflection both are `90^@/2` = 45°
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संबंधित प्रश्न
Describe an activity to show that the incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.
Image formed by a plane mirror is ______.
Boojho stands at A just on the side of a plane mirror as shown in figure. Can he see himself in the mirror? Also can he see the image of objects situated at P, Q and R?
State the two laws of reflection of light.
Reflection of light from rough surface is called ______ reflection
We can see things around us only when the light reflected by them reaches our eyes.
If all objects around us were to reflect light in a regular way, what problem might we face?
If the angle of incidence i = 0, the angle of reflection r = ______.
