Ray Optics And Optical Instruments QUESTIONS AND ANSWERS

IIT JEE : Ray Optics And Optical Instruments QUESTIONS AND ANSWERS :: part1 : 26 to 30

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

26.One can not see through fog because:

fog absorbs light

light is scattered by the droplets in fog

light suffers total internal reflection by the droplets in fog

the refractive index of fog is infinity

27.Arrange the following in ascending order of frequency.

Red, blue, yellow, green

Blue, green, yellow, red

Red, yellow, green, blue

Red, green, yellow, blue

28.The focal length of convex mirror is 20 cm, its radium of curvature will be:

10 cm

20 cm

30 cm

40 cm

29.Ray optics fails when the size of the obstacle is:

5 cm

3 cm

less than the wavelength of light

A and B both

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

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