Physics-10th Light - Reflection and Refraction CBSE Board 2023 Medium
A candle flame is placed at a distance of 18 cm from the optical centre of a convex lens. If its image is for…
A candle flame is placed at a distance of 18 cm from the optical centre of a convex lens. If its image is formed on a screen placed at a distance of 36 cm from the lens, answer the following questions :
- (a)What is the magnification of the image formed ?
- (b)What is the focal length of the lens ? Use the “Lens Formula” to determine it.
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