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प्रश्न
State the laws of reflection.
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उत्तर
There are two laws of reflection.
- The angle of incidence is always equal to the angle of reflection (∠i = ∠r).
- The incident ray, the normal at the point of incidence, and the reflected ray are all on the same plane.
APPEARS IN
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?
- Find out the position of the image of an object situated at A in the plane mirror.
- Can Paheli at B see this image?
- Can Boojho at C see this image?
- When Paheli moves from B to C, where does the image of A move?
State the two laws of reflection of light.
State the two laws of reflection of light.
State the laws of reflection and describe an experiment to verify them.
The incident angle of a ray of light is 30°. The angle between the incident ray and the reflected ray is ______.
If the angle of incidence i = 0, the angle of reflection r = ______.
Higher-Order Thinking Skills:
Are the laws of reflection true in the case of irregular reflection?
