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MHT CET Physics question

PhysicsWavesMHT CET

A pulse of green light ( Å) travels through glass (refractive index 3/2). In 10 picoseconds, the wavefront travels through a distance of

Answer: (C)

Solution

v = c/μ = 2×10⁸ m/s and d = vt = 2×10⁸ × 10⁻¹¹ = 2×10⁻³ m = 2 mm; 3 mm would be the

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Question ID VK-076954