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JEE Main Waves & Oscillations — practice questions — page 2

Explore 50 free Waves & Oscillations questions in JEE Main Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Waves & Oscillations questions and exercises with answers

Showing questions 31–50 of 50.

The starting value of the phase in SHM is known as the phase:Read the answer and worked solution →The phase constant can be found from the displacement at time:Read the answer and worked solution →The periods of a swinging lamp were said to have been measured by:Read the answer and worked solution →A simple pendulum is a small bob tied to a string that is:Read the answer and worked solution →The string of a simple pendulum is also assumed to be:Read the answer and worked solution →The free end of the pendulum string is fixed to a support that is:Read the answer and worked solution →Because the string is massless, the pendulum's moment of inertia comes from the:Read the answer and worked solution →Besides free oscillations, the topic also treats oscillations that are damped and:Read the answer and worked solution →Any material medium can be pictured as a collection of:Read the answer and worked solution →The letter used for the mass of the pendulum bob is:Read the answer and worked solution →The letter used for the length of the pendulum string is:Read the answer and worked solution →Frequency is one of the concepts used to describe motion that is:Read the answer and worked solution →True or false on oscillationsRead the answer and worked solution →Quick picks on oscillationsRead the answer and worked solution →Match each term to its meaningRead the answer and worked solution →Transverse or longitudinalRead the answer and worked solution →Part of the ideal pendulum or notRead the answer and worked solution →Describe a periodic motionRead the answer and worked solution →Fill the gaps on oscillationsRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →

Worked practice questions

The starting value of the phase in SHM is known as the phase:

  1. Constant
  2. Velocity
  3. Period
  4. Frequency
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Correct answer: A. Constant

1. The phase of the motion changes as time passes. 2. Its starting value has its own name. 3. It is the phase constant, or phase angle. _Source: syllabus Physics Part II, Chapter 14, Oscillations._

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The phase constant can be found from the displacement at time:

  1. Two periods
  2. Time zero
  3. One period
  4. Half period
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Correct answer: B. Time zero

1. Amplitude and displacement together fix the phase. 2. The displacement is read at the start of the motion. 3. That is at time zero. _Source: syllabus Physics Part II, Chapter 14, Oscillations._

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The periods of a swinging lamp were said to have been measured by:

  1. Huygens
  2. Kepler
  3. Galileo
  4. Newton
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Correct answer: C. Galileo

1. A famous early observation of pendulum motion is recalled. 2. The observer timed the swings of a lamp. 3. It is said that Galileo did so. _Source: syllabus Physics Part II, Chapter 14, Oscillations._

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