Physics - Geometrical Optics Question with Solution | TestHub
PhysicsGeometrical OpticsOptical instrumentsMedium2 minQB
PhysicsMediumstatement
Statement 1: Very large size telescopes are reflecting telescopes instead of refracting telescopes.
Statement 2: It is easier to provide mechanical support to large size mirrors than large size lenses.
Options:
Answer:
B
Solution:
Large mirrors can be supported over their whole back surface, while large lenses sag under their own weight. So very large telescopes are reflecting: Statement-2 explains Statement-1.
Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:Optical instruments
⏱ 2mℹ️ Source: QB
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