Q 9. One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object? Verify your answer experimentally. Explain your observations.
The lens would produce a complete image. Only the brightness of the image would be diminished.
Verification by experiment:
Apparatus required: a convex lens, a screen and a candlelight
1. Place screen behind a lens placed vertically
2. Move the candle to obtain a clear full-length image of a candle on the screen
3. Cover half of the lens with the black paper without disturbing the position of the lens
4. Note the observations
Observation: Size of the image is the same but the brightness reduces
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