Wave, Introduction of Waves, Transverse Waves, Longitudinal Wave, Matter Waves.
Physics waves are essential in the study of energy propagation through various environments. Waves are oscillations of a medium that carry energy but do not directly transport matter. The waves can be classified under different categories based on their nature and propagation.
Introduction to Physics Waves
Physics waves are classified into two types mechanical waves and electromagnetic waves. Mechanical waves need a medium for propagation, while electromagnetic waves can propagate through a vacuum. Transverse waves and longitudinal waves are sub-classifications of mechanical waves.
Types of Physics Waves
- Transverse Waves: This type of wave travels perpendicular to the direction of energy transfer. This includes water waves, as well as electromagnetic waves.
- Longitudinal Waves: These types of waves move in the same direction of the wave propagation. Examples are sound waves and compression waves in springs.
- Matter Waves: Matter waves are associated with microscopic particles; these waves have played an important role in quantum mechanics.
Entry Test Physics Waves MCQS Online Preparation Sample Paper 1 Questions with Answer
1. How many types of progressive waves
- Many
- Wrong
- Three
- All of these
Two correct
2. The longitudinal waves can be set in
- Gases
- Fluids
- Solids
- A and B correct
3. The wave is generated by an oscillation in the vibrating body and propagation of wave 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 these correct
6. The periodic waves are those which are
- Continuous
- Regular
- All of these correct
- Rhythmic disturbance
7. Wave disturbances may also come in concentrated bundles like shock waves from an Airplane flying at
- Extra supersonic speed
- Sonic speed
- Supersonic speed correct
- None of these
8. The waves that 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 waves 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 travels are called
- Longitudinal waves correct
- Transverse wave
- None of these
- Progressive waves
14. A wave that 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 the 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 kilometers correct
19. The trough is a pattern in which the rope has 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 Physics Waves MCQS Online Preparation Sample Paper 2 Questions with Answer
1. The speed of sound in hydrogen at 20⁰C is
- 1281 ms¯¹
- 1286 ms¯¹ correct
- 1291 ms¯¹
- 1287 ms¯¹
2. The speed of sound in iron at 20⁰C is
- 4570 ms¯¹
- 6230 ms¯¹
- 5130 ms¯¹ correct
- 5140 ms¯¹
3. The speed of the wave can be found indirectly from
- Frequency
- None of these
- Both correct
- Wavelength
4. The speed of sound in helium at 20⁰C is
- 980 ms¯¹
- 913 ms¯¹
- 993 ms¯¹
- 972 ms¯¹ correct
5. The distance between two consecutive crests or troughs is called
- Wavelength correct
- Amplitude
- Frequency
- None of these
6. The speed of sound in air at 20⁰C is
- 315 ms¯¹
- 332 ms¯¹ correct
- 307 ms¯¹
- 300 ms¯¹
7. The speed of sound in carbon dioxide at 20⁰C is
- 258 ms¯¹ correct
- 280 ms¯¹
- 178 ms¯¹
- 217 ms¯¹
8. The speed of sound in water at 20⁰C is
- 1343 ms¯¹
- 1214 ms¯¹
- 1483 ms¯¹ correct
- 1567 ms¯¹
9. The transverse waves can be set in
- Fluid
- Gasses
- A and B correct
- Solid
10. The speed of sound in oxygen at 20⁰C is
- 300 ms¯¹
- 216 ms¯¹
- 315 ms¯¹ correct
- 381 ms¯¹
11. The waves generated in springs are also called
- Compressional waves correct
- Mechanical waves
- None of these
- Sound waves
12. The 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. The speed of sound in menthol at 20⁰C is
- 1561 ms¯¹
- 1120 ms¯¹ correct
- 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. The 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. The 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¯¹ correct
- 1202 ms¯¹
- 1304 ms¯¹
- 1000 ms¯¹
Understanding Wave Properties
The essential properties of physics waves include:
- Wavelength (λ): The distance between two consecutive crests or troughs.
- Frequency (f) (cycle/sec): The no of wave cycles passing through a point in 1 sec.
- Amplitude (A): The peak distance of the wave from its equilibrium state.
- Wave Speed (v): Determined by the equation v = fλ, but the speed is determined by the medium.
Applications of Physics Waves
Physics waves have diverse applications across different fields:
- Sound Waves: Used in ultrasound imaging, musical instruments, and communication devices.
- Electromagnetic Waves: Essential in wireless communication, radio broadcasting, and medical imaging
- Mechanical Waves: Assist in exploring seismology and oceanography.
Final Thoughts
Mastering physics waves is crucial for ECAT preparation as it enhances understanding of fundamental energy transmission concepts. These MCQs cover core principles and applications, ensuring better conceptual clarity. Keep practicing and refining your knowledge to excel in the ECAT physics section.