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Oscillations · Question 46

AIPMT 2005MCQEasy📈 Topic in 0% papers+4−1
1

The circular motion of a particle with constant speed is

  1. periodic but not simple harmonic
  2. simple harmonic but not periodic
  3. periodic and simple harmonic
  4. neither periodic nor simple harmonic

Answer

(1) periodic but not simple harmonic

Solution

The particle returns to the same position after every revolution, so the motion is periodic.

As per NCERT, uniform circular motion is not itself a simple harmonic motion; only its projection on a diameter is SHM.

The motion is periodic but not simple harmonic.

Answer: (1)

AIPMT 2005

Keep practising — Oscillations

2

A particle executing simple harmonic motion of amplitude 5 cm has maximum speed of 31.4 cm/s. The frequency of its oscillation is

  1. 4 Hz
  2. 3 Hz
  3. 2 Hz
  4. 1 Hz
AIPMT 2004
3

Two springs of spring constants k1 and k2 are joined in series. The effective spring constant of the combination is given by

  1. k1k2
  2. (k1 + k2)/2
  3. k1 + k2
  4. k1k2/(k1 + k2)
AIPMT 2004
4

Which one of the following statements is true for the speed v and the acceleration a of a particle executing simple harmonic motion?

  1. When v is maximum, a is maximum
  2. Value of a is zero, whatever may be the value of v.
  3. When v is zero, a is zero
  4. When v is maximum, a is zero.
AIPMT 2003
5

The potential energy of a simple harmonic oscillator when the particle is half way to its end point is

  1. 23E
  2. 18E
  3. 14E
  4. 12E
AIPMT 2003
6

A particle of mass m oscillates with simple harmonic motion between points x1 and x2, the equilibrium position being O. Its potential energy is plotted. It will be as given below in the graph

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2003
7

The time period of mass suspended from a spring is T. If the spring is cut into four equal parts and the same mass is suspended from one of the parts, then the new time period will be

  1. T/4
  2. T
  3. T/2
  4. 2T
AIPMT 2003
8

In case of a forced vibration, the resonance peak becomes very sharp when the

  1. damping force is small
  2. restoring force is small
  3. applied periodic force is small
  4. quality factor is small
AIPMT 2003
9

Displacement between maximum potential energy position and maximum kinetic energy position for a particle executing simple harmonic motion is

  1. a/2
  2. +a
  3. a
  4. -1
AIPMT 2002
10

When an oscillator completes 100 oscillations its amplitude is reduced to 13 of initial value. What will be its amplitude, when it completes 200 oscillations?

  1. 18
  2. 23
  3. 16
  4. 19
AIPMT 2002
11

A mass is suspended separately by two different springs in successive order, then time periods are t1 and t2 respectively. If it is connected by both springs as shown in figure then time period is t0, the correct relation is [figure]

  1. t02 = t12 + t22
  2. t0-2 = t1-2 + t2-2
  3. t0-1 = t1-1 + t2-1
  4. t0 = t1 + t2
AIPMT 2002

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