Physics-10th Light - Reflection and Refraction CBSE Board 2025 Medium
To get an image of magnification -1 on a screen using a lens of focal length 20 cm, the object distance must…
To get an image of magnification on a screen using a lens of focal length cm, the object distance must be :
- (a)Less than cm
- (b) cm
- (c) cm
- (d) cm
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