Physics
Grade-7
Easy
Question
In the graphical representation of waves, the variation of density and pressure is plotted against _____.
- Time
- Velocity
- Distance
- Wavelength
Hint:
Distance
The correct answer is: Distance
sound waves can be graphically represented by plotting the density or the pressure variation against the distance at a particular instant.
Related Questions to study
Physics
In a transverse wave, the particles of the medium vibrate ____ to the direction of wave propagation.
In a transverse wave, the particles of the medium vibrate ____ to the direction of wave propagation.
PhysicsGrade-7
Physics
Match the following with the correct response.
| 1. A moving disturbance | A. Mechanical waves |
| 2. Propagation require material medium | B. Oscillatory motion |
| 3. Particles vibrate perpendicular to the | C. Transverse waves direction of wave propagation |
| 4. Back and forth motion | D. Wave |
Match the following with the correct response.
| 1. A moving disturbance | A. Mechanical waves |
| 2. Propagation require material medium | B. Oscillatory motion |
| 3. Particles vibrate perpendicular to the | C. Transverse waves direction of wave propagation |
| 4. Back and forth motion | D. Wave |
PhysicsGrade-7
Physics
Light waves are _____ but not _____ in nature.
Light waves are _____ but not _____ in nature.
PhysicsGrade-7
Physics
The sound can travel in the air when:
The sound can travel in the air when:
PhysicsGrade-7
Physics
In which of the following media can non-mechanical waves travel?
In which of the following media can non-mechanical waves travel?
PhysicsGrade-7
Physics
Mechanical transverse waves cannot travel through:
Mechanical transverse waves cannot travel through:
PhysicsGrade-7
Physics
While we throw a ball in the direction of waves, the waves transfer _____ to the ball:
While we throw a ball in the direction of waves, the waves transfer _____ to the ball:
PhysicsGrade-7
Physics
Why are sound waves considered mechanical waves?
Why are sound waves considered mechanical waves?
PhysicsGrade-7
Physics
“Wave motion shifts mass from one region to another” The above statement is:
Wave motion shifts energy from one place to another.
“Wave motion shifts mass from one region to another” The above statement is:
PhysicsGrade-7
Wave motion shifts energy from one place to another.
Physics
The particles of a medium vibrate _____ when waves propagate through it.
The particles of a medium vibrate _____ when waves propagate through it.
PhysicsGrade-7
Physics
Transverse waves are those ___.
Transverse waves are those ___.
PhysicsGrade-7
Physics
Which of the following statements is/are correct about waves?
I. Waves are patterns of disturbance that move without the actual physical transfer of flow of matter.
II. Waves cannot transport energy.
III. The pattern of disturbance in the form of waves carries information that propagates from one point to another.
IV. All our communications essentially depend on the transmission of signals through waves.
Which of the following statements is/are correct about waves?
I. Waves are patterns of disturbance that move without the actual physical transfer of flow of matter.
II. Waves cannot transport energy.
III. The pattern of disturbance in the form of waves carries information that propagates from one point to another.
IV. All our communications essentially depend on the transmission of signals through waves.
PhysicsGrade-7
Physics
Which of the following statements are true?
i) Direction of wave propagation and particle motion are along the same direction for longitudinal waves
ii) Direction of wave propagation and particle motion are along the same direction for Transverse waves
iii) Direction of wave propagation and particle motion are perpendicular to each other for longitudinal waves
iv) Direction of wave propagation and particle motion are perpendicular to each other for transverse waves
Which of the following statements are true?
i) Direction of wave propagation and particle motion are along the same direction for longitudinal waves
ii) Direction of wave propagation and particle motion are along the same direction for Transverse waves
iii) Direction of wave propagation and particle motion are perpendicular to each other for longitudinal waves
iv) Direction of wave propagation and particle motion are perpendicular to each other for transverse waves
PhysicsGrade-7
Physics
Consider the following statements and select the incorrect statement(s) from the following.
I. Mechanical waves transfer energy and matter both from one point to another.
II. Mechanical waves transfer only energy from one point to another.
III. Mechanical waves transfer only matter from one point to another.
Consider the following statements and select the incorrect statement(s) from the following.
I. Mechanical waves transfer energy and matter both from one point to another.
II. Mechanical waves transfer only energy from one point to another.
III. Mechanical waves transfer only matter from one point to another.
PhysicsGrade-7
Physics
Mechanical waves on the surface of a liquid are:
Mechanical waves on the surface of a liquid are:
PhysicsGrade-7
