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For a thin lens, the nodal points coincide with

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Important Questions on Optics

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 8 - Optics>Practice Exercise>Q 24
A convex lens is immersed in a liquid denser (optical density) than glass. It will behave as a
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 8 - Optics>Practice Exercise>Q 25
An air bubble inside water behaves as a
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 8 - Optics>Practice Exercise>Q 26
The magnifying power of a telescope can be increased by
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 8 - Optics>Practice Exercise>Q 27
In Rayleigh scattering, the degree of scattering is proportional to fourth power of wavelength, but the size of the scattering particles of the medium should be
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 8 - Optics>Practice Exercise>Q 28
Which one of the following optical instruments produce a virtual image
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 8 - Optics>Practice Exercise>Q 29
Focal length of the eye lens which enables us to see the object at varying distances, is controlled and changed by
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 8 - Optics>Practice Exercise>Q 30
Which one of the following is correct? Large aperture in telescopes are used for
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 8 - Optics>Practice Exercise>Q 31
In a healthy human eye, the focusing is done by