The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results in the displacement of the particle along (a) circle (b) figure of eight (c) straight line (d) ellipse

Answer: (c). x = asin ω t, y = bsin (ω t + π) = -bsin ω t. y = -b/ax: a straight line, answer (c).

The composition of two simple harmonic motions of equal periods at… | NEET 1990 (AIPMT)

Q30NEET 1990 · AIPMTEasy

Damped, Forced Oscillations & Superposition

The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of $\pi$ results in the displacement of the particle along

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Answer: (c)

$x = a\sin\omega t$ , $y = b\sin(\omega t + \pi) = -b\sin\omega t$ .
$y = -\frac{b}{a}x$ : a straight line, answer (c).

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