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Question
A small bulb is placed at the focal point of a converging lens. When the bulb is switched on, the lens produces ______.
Options
a convergent beam of light
a divergent beam of light
a parallel beam of light
a patch of coloured light
MCQ
Fill in the Blanks
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Solution
A small bulb is placed at the focal point of a converging lens. When the bulb is switched on, the lens produces a parallel beam of light.
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