Ray Optics And Optical Instruments QUESTIONS AND ANSWERS

IIT JEE : Ray Optics And Optical Instruments QUESTIONS AND ANSWERS :: part1 : 11 to 15

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

11.If two mirrors are kept at 600 to each other, then the number of images formed by them is:

12.Select the correct alternative, in case of dispersion without deviation.

The emergent rays of all the colours are parallel to the incident ray

Only yellow coloured ray is parallel to the incident ray

Only red coloured ray is parallel to the incident ray

All the rays are parallel, but not parallel to the incident ray

13.Image formed by convex mirror is:

virtual

real

enlarged

inverted

14.The mirage in desert is caused because:

the refractive index of atmosphere does not change with height

there is effect of height on refractive index

light is reflected by the particles

none of the above

15.Which of the following is used in optical fibres?

Total internal reflection

Scattering

Diffraction

Refraction

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

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