You are provided two focal length 20 cm and 30cm respectively ,these lens can diverge the light . Which lens will you use to obtain more divergent light ? name these lens
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20cm is the right answer for the given statement because the focal length of concave lens is in (-ve) and the lens is Concave because it is diverging lens.
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Answer:
The lenses to be used are concave lenses. The focal lengths given are 20 cm and 30 cm. The lens that has more power that is 20 cm is to be used to get the light diverged.
This lens will help to obtain a more divergent light. The concave lens has negative power. The concave lens is known as the diverging lens.
Explanation:
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