Q1 / 107 · NTA Abhyas (JEE Main) 2020 · Physics · Oscillations

A particle is subjected simultaneously to two SHMs, one along the x-axis and the other along the y-axis. The two vibrations are in phase and have unequal amplitudes. The particle will execute

  • Correct answer
    A
    Straight line motion
  • B
    Circular motion
  • C
    Elliptic motion
  • D
    Parabolic motion

Solution

Let the equations of the two mutually perpendicular SHM's of the same frequency and same phase be

x=a1 sin ⁡ωt and y=a2 sin ⁡ωt

Then,

yx=a2sinωta1sinωt=a2a1

y=a2a1x, which is the equation of a straight line

Hence, the correct answer is option: 'A'.

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