when do we use plane and concave mirror and diaphragm
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ANSWER:
- The use of plane mirror is in periscope. The plane mirror can also be used as projector head and to make mirror tiles which are plane in nature.
- The concave mirror are used in those areas in which large and erect image is required.
- The diaphragm is used in micro meter and in LED cinema projector.
EXPLANATION:
The plane mirror is defined as a mirror whose radius is in infinity, they are plane and doesn't have any curve. The concave mirror are those mirror which have a curve reflecting surface, and is painted black on the other side for not letting any ray of light to pass through it.
The diaphragm is the structure which is opaque in nature and having a small thin opening or aperture in the center for letting the light pass through it.
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