NEET2015Physics-Oscillations

NEET 2015 Physics Superposition of Waves MCQ Question

Type: MCQ-conceptual-Medium-Class 11

When two displacements represented by y₁ = a sin(ωt) and y₂ = b cos(ωt) are superimposed the motion is

A

not a simple harmonic.

B

simple harmonic with amplitude ab\frac{a}{b}.

C

simple harmonic with amplitude a+b2\sqrt{a^²⁺ b^2}.

D

simple harmonic with amplitude (a+b)2\frac{(a + b)}{2}.

Correct Answer

Option B

Detailed Explanation

The resultant amplitude of two perpendicular simple harmonic motions is given by a+b2\sqrt{a^²⁺ b^2}.

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