IIT JEE Questions And Answers :: Ray Optics And Optical Instruments: part1



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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