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An movie projector forms an image  long of an object . Supposing there is negligible absorption of light by aperture then illuminance on slide and screen will be in the ratio of

a)

b)

c)

d)


Question ID - 153051 | Toppr Answer

An movie projector forms an image  long of an object . Supposing there is negligible absorption of light by aperture then illuminance on slide and screen will be in the ratio of

a)

b)

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

  so,



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