Ray Optics And Optical Instruments QUESTIONS AND ANSWERS

IIT JEE : Ray Optics And Optical Instruments QUESTIONS AND ANSWERS :: part1 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.An astronomical telescope has a large aperture to:

reduce spherical aberration

have high resolution

increase span of observation

have low dispersion

17.The combination of convex lens and concave lens each of focal length 10 cm when combines, behaves as:

convex lens

concave lens

as a slab of glass

as convex mirror

18.A cut diamond sparkles because of its:

hardness

high refractive index

emission of light by the diamond

absorption of light by the diamond

19.A virtual image larger than the object can be obtained by:

concave mirror

convex mirror

plane mirror

concave lens

20.Diminished virtual image can be formed only in:

plane mirror

a concave mirror

a convex mirror

concave parabolic mirror

More Ray Optics And Optical Instruments QUESTIONS AND ANSWERS available in next pages

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