Class 12 NEET Physics Optics Questions Part 1

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Question : 79 of 100

Marks: +1, -0

Exposure time of camera lens at

f

2.8

setting is

1

200

second. The correct time of exposure at

f

5.6

is

(1995)

0.20 second
0.40 second
0.02 second
0.04 second.

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