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Class 10 Science — Chapter 9: Light — Reflection and Refraction

68 practice questions · 23 Easy · 23 Medium · 22 Hard

Free NCERT-aligned multiple-choice practice for Class 10 Science, Chapter 9 (Light — Reflection and Refraction). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 68.

Sample questions

Q1Easy

The image formed by a plane mirror is:

A.Real and inverted
B.Virtual and erect✓ correct
C.Real and erect
D.Virtual and inverted
Why

A plane mirror always produces a virtual, erect image of the same size, behind the mirror.

Q2Medium

The mirror formula relates u, v, f as:

A.1/v − 1/u = 1/f
B.1/v + 1/u = 1/f✓ correct
C.u + v = f
D.u − v = f
Why

For mirrors: 1/v + 1/u = 1/f (u and v measured with sign convention).

Q3Hard

Refractive index of glass with respect to air is 1.5. The speed of light in glass is approximately:

A.3 × 10⁸ m/s
B.2 × 10⁸ m/s✓ correct
C.4.5 × 10⁸ m/s
D.1.5 × 10⁸ m/s
Why

v = c / n = (3 × 10⁸) / 1.5 = 2 × 10⁸ m/s.

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