Question

1. Two converging lenses are to be placed in the path of parallel
rays remain parallel after passing through both lenses. How she
Application of concepts
be arranged? Explain with a neat ray diagram. (AS)
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Answer 1

Explanation:

i) A parallel beam of light rays will converge on focal point of the lens after refraction. ... iii) So the two lenses are arranged ' on a common principal axis such that their focal points coincide with each other, then the rays remain parallel after passing through both lenses.