Light -- Reflection and Refraction Quiz — 7 Free Questions

Question 1

Which type of mirror is flat?

Question 2

What is the middle point of a spherical mirror's surface called?

Question 3

When light passes from a rarer medium, like air, into a denser medium, like glass, does it bend toward or away from the normal?

Question 4

In a concave mirror, if the object is placed between the pole and the focus, what kind of image forms?

Question 5

What is a concave mirror?

Question 6

For a concave lens, is the focal length taken as positive or negative in the sign convention?

Question 7

What is the approximate refractive index of diamond?

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About Light -- Reflection and Refraction

This quiz covers Chapter 1 of CBSE Class 10 Physics, Light -- Reflection and Refraction, one of the most numerically heavy chapters in the Class 10 Science syllabus.

It opens with the two laws of reflection and the Cartesian sign convention used for every spherical mirror problem, before covering how concave and convex mirrors each form images depending on where the object is placed, and why each type of mirror suits a different everyday use, from shaving mirrors to vehicle rear-view mirrors.

The quiz then turns to refraction: the two laws of refraction, including Snell's law, the idea of a medium's absolute refractive index, and how light passing through a glass slab or a spherical lens actually behaves, including the mirror and lens formulas, magnification, and the power of a lens measured in dioptres.

Every question comes with a clear explanation grounded in the standard NCERT treatment of this chapter, so incorrect answers become as instructive as correct ones, whether you are revising for a school test or a board exam.