[" 14.A parallel bram of monechromatic l...

[" 14.A parallel bram of monechromatic light falls "],[" is an a cembination ef a comvex lens and a "],[" concave lens of focallengths "15cm" and "5cm" ."],[" If the lizht emerges parallik from the cencave "],[" lens,the distance betwesn the lense be "],[1/20cm" 2) "3cm" us "10cm" ."]

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[" 14.A parallel bram of monechromatic light falls "],[" is an a cembination ef a comvex lens and a "],[" concave lens of focallengths "15cm" and "5cm" ."],[" If the lizht emerges parallik from the cencave "],[" lens,the distance betwesn the lense be "],[1/20cm" 2) "3cm" us "10cm" ."]

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