Question

5. ਜੇਕਰ ਦਰ੫L If aperture of concave mirror is doubled; how will it affect the image? 1 ਪ੍ਰਤੀਬਿੰਬ ਦਾ ਆਕਾਰ ਵੱਡਾ ਹੋ ਜਾਵੇਗਾ Size will increase 2. ਪ੍ਰਤੀਬਿੰਬ ਦਾ ਆਕਾਰ ਛੋਟਾ ਹੋ ਜਾਵੇਗਾ Size will decrease ਹੋ 3. ਪ੍ਰਤੀਬਿੰਬ ਚਮਕੀਲਾ ਹੋ ਜਾਵੇਗਾ Brighter image 4 ਪਤੀਬਿੰਬ ਦੀ ਚਮਕ ਘੱਟ ਜਾਵੇਗੀ Less bright image F ਦੇ ਵਿਚਕਾਰ ਹੁੰਦੀ ਹੈ। ਪ੍ਰਤੀਬਿੰਬ ਦਾ ਆਕਾਰ ਆ​

Answer 1

Answer:

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Explanation:

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Answer 2

If aperture of concave mirror is doubled, 4. the image becomes less bright.

What is concave mirror?

• It is a spherical mirror which has inner surface as reflecting surface.
• It is also called converging mirror.
• Rays incident on a concave mirror is converged at a point on principle axis.

What is aperture?

• Aperture is a part of spherical mirror.
• When aperture is small, the image is clearer and when aperture is increased, the large size of aperture produces less bright image because chromatic aberration is small for small aperture and chromatic aberration is large for large apertures.