Physics-10th Light - Reflection and Refraction CBSE Board 2023 Medium
A candle flame and a screen are placed 1 m apart. When a lens is placed exactly in the middle of the two, a d…
A candle flame and a screen are placed 1 m apart. When a lens is placed exactly in the middle of the two, a distinct image of the candle flame is observed on the screen.
- (i)Name the type of the lens used.
- (ii)How is focal length of the lens determined in this case? State the method and determine its value.
- (iii)Write the power of the lens used.
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