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प्रश्न
Draw a neat two ray diagram to illustrate how a concave mirror is used as a shaving mirror.
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उत्तर
We know that when an object is placed between P and F of a concave mirror, it forms a virtual and enlarged image. Thus, by using a concave mirror we can have a proper shave, as the tiny hairs are clearly visible.
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संबंधित प्रश्न
Fill in the blank
The image formed by a plane mirror is at a distance behind the mirror as ________
Identify the following kind of beam of light.
Find the odd one.
sun, candle, torch, pen
Which of the following is the best reflector of light?
The moon ______ sun light.
A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light ______.
What happens when light hits a transparent object?
The angle of incidence is equal to the angle of reflection for perfect reflection.
