Physics, asked by seetaramakumar, 8 months ago

5. The focal length of mirror used in Head-
light of car is 20 cm. At what distance,
bulb is arranged then parallel beam is
emitted.
[ ]
1) 20 cm 2) 10 cm 3) 5 cm 4) 2 cm

Answers

Answered by pavanraj7989talla

1

Answer:

opt2 20cm

Explanation:

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