Light — Reflection and Refraction
Mirrors, lenses, sign convention, ray diagrams, image formation.
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Take a full mock →Q1 · Light — Reflection and Refraction · MEDIUM
A concave mirror forms a real image of height 4 cm when the object of height 2 cm is placed 15 cm in front of it. What is the focal length of the mirror?
Q2 · Light — Reflection and Refraction · EASY
Light travels from air into glass. If the angle of incidence is 30° and the angle of refraction is 20°, which statement is correct?
Q3 · Light — Reflection and Refraction · MEDIUM
A ray of light traveling in air enters a glass slab of refractive index 1.5 at an angle of incidence of 45°. What is the approximate angle of refraction inside the glass? (sin 45° ≈ 0.707)
Q4 · Light — Reflection and Refraction · HARD
An object is placed 15 cm in front of a convex lens of focal length 10 cm. What is the magnification produced by the lens?