Physics - Geometrical Optics Question with Solution | TestHub
PhysicsGeometrical OpticsOptical instrumentsMedium2 minQB
PhysicsMediumstatement
Statement 1: To increase the depth of focus, photographer decreases the aperture and increases the time of exposure.
Statement 2: More light enters the camera when aperture is small.
Options:
Answer:
C
Solution:
A smaller aperture increases the depth of focus, so exposure time is increased to compensate. But a smaller aperture lets in less light, not more: Statement-1 true, Statement-2 false.
Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:Optical instruments
⏱ 2mℹ️ Source: QB
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