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InterviewSolution
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Focusing all the light rays to point is known as focal point. Explain why itis difficult to locate the focal point of a concave lens with the help of a diagram. |
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Answer» Answer: this happens bcause Converging light rays STRIKING a CONCAVE lens but headed towards a point on the other side can be bent until they EMERGE PARALLEL to the axis. The point that causes this to happen is CALLED the focal point.Explanation: |
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