⚡Chapter Practice
Optics — JEE Practice
45 practice questions across 3 topics. Filter by difficulty, solve topic-wise MCQs, and review detailed solutions.
3 Topics45 Questions
Reflection & Mirrors(15 Qs)
easy (5)
medium (5)
hard (5)
Q1A concave mirror of focal length f produces a real image n times the size of the object. The object distance is:Q2An object moves towards a convex mirror from infinity. The image moves:Q3The velocity of the image in a concave mirror when object moves with velocity v₀ along the principal axis:Q4A point source is at the centre of curvature of a concave mirror. The image is:Q5A heavy concave mirror of f = 10 cm is placed on the floor facing up, filled with water (μ = 4/3) to a height of 5 cm. The effective focal length of the system:
Refraction & Lenses(15 Qs)
easy (5)
medium (5)
Q1The critical angle for glass (n = 1.5) to air is:Q2The lensmaker's equation is:Q3Two thin lenses of focal lengths f₁ and f₂ in contact have combined focal length:Q4A prism of angle A and refractive index n produces minimum deviation δ_m. The relation is:Q5Refraction through a rectangular glass slab causes:
hard (5)
Q1A fish in water (n = 4/3) at depth d appears at depth ___ to an observer directly above:Q2Chromatic aberration in a lens occurs because:Q3An achromatic doublet uses lenses of different materials to correct for:Q4A plano-convex lens (n = 1.5, R = 20 cm) has focal length:Q5For a thin lens, if the object distance equals the image distance, then each equals:
Wave Optics(15 Qs)
easy (5)
medium (5)
hard (5)
Q1In YDSE, if the experiment is performed in water (n = 4/3), the fringe width:Q2The resolving power of a microscope increases with:Q3In a diffraction grating with N slits, the intensity of principal maxima is proportional to:Q4Malus's law states that when polarised light passes through an analyser at angle θ:Q5The angular width of the central maximum in single slit diffraction is:
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