Entry Test 2021 Physics Waves MCQS Online Preparation Sample Paper 1 Questions with Answer

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Wave, Introduction of Waves, Transverse Waves, Longitudinal Wave, Matter Waves.

Experience the enchanting world of waves with Nokryan.com! Waves, the essential conveyors of energy, present themselves in various forms, each with unique characteristics. Let’s shift our focus to transverse waves, which move perpendicular to the direction of energy transfer. Imagine the ripples on a pond or the colorful spectrum of electromagnetic waves. In contrast, longitudinal waves travel parallel to the direction of energy transfer and are demonstrated by the compression and rarefaction of sound waves in air or solids. Nokryan.com provides an avenue to delve deeper into these concepts.

1. How many types of progressive waves

  • Many
    wrong
  • Three
  • All of these
  • Twocorrect

2. The longitudinal waves can be setup in

  • Gases
  • Fluids
  • Solids
  • A and Bcorrect

3. The wave is generated by an oscillation in the vibrating body and propagation of wave an through space is by means of oscillation are

  • Electric and magnetic waves
  • None of these
  • Water weaves
  • Mechanical waves
    correct

4. The energy transportation is carried by a

  • Disturbance
  • All of these
    correct
  • Shock waves
  • Plucks of guitar-string

5. A pulse can be produced by a single disturbance in a medium from

  • String
  • Coil spring
  • Rope
  • All of thesecorrect

6. The periodic waves are those which are

  • Continuous
  • Regular
  • All of thesecorrect
  • Rhythmic disturbance

7. Wave disturbances may also come in a concentrated bundles like stock waves from an Airplane flying at

  • Extra supersonic speed
  • Sonic speed
  • Supersonic speed
    correct
  • None of these

8. The waves which propagate out in space due to oscillations of electric and magnetic fields are known as

  • None of these
  • Electric and magnetic waves
    correct
  • Mechanical waves
  • Microwaves

9. The waves which propagate by the oscillation of material particles are known as

  • None of these
  • Mechanical waves
    correct
  • Water waves
  • Electromagnetic waves

10. Ultrasonic wavers are particularly useful for

  • Object detection in air
  • Both
  • None of these
  • Object detection in water
    correct

11. A wave in which the displacement of the wave travel perpendicular to the direction of propagation of waves is called

  • Progressive wave
  • Longitudinal waves
  • Transverse wave
    correct
  • None of these

12. The mechanical waves are generated by

  • All of these
  • Coil of springs
  • In ropes
  • Water waves
    correct

13. Waves like those in which displacements are in the direction the wave travel are called

  • Longitudinal waves
    correct
  • Transverse wave
  • None of these
  • Progressive waves

14. A wave which transfers energy by moving away from the source of disturbance is known as

  • Travelling wave
  • All of these
    correct
  • Water waves
  • Progressive wave

15. The energy transportation is carried by disturbance which

  • None of these
  • Spreads perpendicular to the source
  • Spreads towards the source
  • Spreads from the source
    correct

16. The crest is a pattern in which the rope is displaced

  • Below its equilibrium position
  • Above and below its equilibrium position
  • None of these
  • Above its equilibrium position
    correct

17. Waves without transport matter, transport

  • Sound
  • Energy
    correct
  • Velocity
  • All of these

18. A highly directional beam of ultrasonic waves can be made to travel in water in

  • Several kilometers
  • Many meters
  • None of these
  • Many kilometer
    correct

19. The trough is a pattern in which the rope have a displacement

  • None of these
  • Below its equilibrium position
  • Above and below its equilibrium position
  • Above its equilibrium position
    correct

20. The waves produced in air are

  • Longitudinal waves
    correct
  • Transverse waves
  • Progressive waves
  • None of these

Entry Test 2021 Physics Waves MCQS Online Preparation Sample Paper 2 Questions with Answer

1. Speed of sound in hydrogen at 20⁰C is

  • 1281 ms¯¹
  • 1286 ms¯¹
    correct
  • 1291 ms¯¹
  • 1287 ms¯¹

2. Speed of sound in iron at 20⁰C is

  • 4570 ms¯¹
  • 6230 ms¯¹
  • 5130 ms¯¹correct
  • 5140 ms¯¹

3. The speed of wave can be found indirectly from

  • Frequency
  • None of these
  • Both
    correct
  • Wavelength

4. Speed of sound in helium at 20⁰C is

  • 980 ms¯¹
  • 913 ms¯¹
  • 993 ms¯¹
  • 972 ms¯¹correct

5. The distance between two consecutive crests or trough is called

  • Wavelength
    correct
  • Amplitude
  • Frequency
  • None of these

6. Speed of sound in air at 20⁰C is

  • 315 ms¯¹

  • 332 ms¯¹correct
  • 307 ms¯¹
  • 300 ms¯¹

7. Speed of sound in carbon dioxide at 20⁰C is

  • 258 ms¯¹correct
  • 280 ms¯¹
  • 178 ms¯¹
  • 217 ms¯¹

8. Speed of sound in water at 20⁰C is

  • 1343 ms¯¹
  • 1214 ms¯¹
  • 1483 ms¯¹correct
  • 1567 ms¯¹

9. The transverse waves can be setup in

  • Fluid
  • Gasses
  • A and Bcorrect
  • Solid

10. Speed of sound in oxygen at 20⁰C is

  • 300 ms¯¹
  • 216 ms¯¹
  • 315 ms¯¹
    correct
  • 381 ms¯¹

11. The waves of generated in springs are also called

  • Compressional waves
    correct
  • Mechanical waves
  • None of these
  • Sound waves

12. Speed of sound in glass at 20⁰C is

  • 5500 ms¯¹
    correct
  • 4954 ms¯¹
  • 4376 ms¯¹
  • 4753 ms¯¹

13. A compressional waves are those in which there are

  • None of these
  • Compressions only
  • Compression and rarefactions
    correct
  • Rarefaction only

14. Speed of sound in menthol at 20⁰C is

  • 1561 ms¯¹
  • 1120 ms¯¹correct

  • 1314 ms¯¹
  • 1210 ms¯¹

15. In compressional waves the particles in the path move along the line of propagation of the wave

  • Forth
  • Back and forth
    correct
  • None of these
  • Back

16. Speed of sound in copper at 20⁰C is

  • 36000 ms¯¹
    correct
  • 2700 ms¯¹
  • 5000 ms¯¹
  • 2100 ms¯¹

17. The profile of periodic waves generated by a source executing SHM is represented by a

  • Cosine curve
  • Tangent curve
  • None of these
  • Sine curve
    correct

18. One wavelength is the distance covered in a time is called

  • One second

  • None of these
  • Time period
    correct
  • 2 second

19. Speed of sound in aluminum at 20⁰C is

  • 51200 ms¯¹
  • 4250 ms¯¹
  • 3543 ms¯¹
  • 5100 ms¯¹
    correct

20. Speed of sound in lead at 20⁰C is

  • 1320 ms¯¹correct
  • 1202 ms¯¹
  • 1304 ms¯¹
  • 1000 ms¯¹

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