The image of the needle placed 45 cm from a lens is formed on a screen placed 90 cm on…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
The image of the needle placed 45 cm from a lens is formed on a screen placed 90 cm on the other side of the lens. The displacement of the image, if the needle is moved by 5.0 cm away from the lens is
- 10 cm, toward the lens
- 15 cm, away from the lens
- 15 cm, towards the lens
- 10 cm, away from the lens
Answer
(C) 15 cm, towards the lens
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