Physics
Grade-7
Easy
Question
Energy is carried by _________.
- Only waves
- Only particles
- Both waves and particles
- None of these
Hint:
Both particles and waves
The correct answer is: Both waves and particles
light (a form of energy) behaves both as a particle and as a wave.
Related Questions to study
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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 a mechanical wave travel?
In which of the following media can a mechanical wave travel?
PhysicsGrade-7
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In vacuum, mechanical waves cannot propagate because there _________.
In vacuum, mechanical waves cannot propagate because there _________.
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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:
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Why are sound waves considered mechanical waves?
Why are sound waves considered mechanical waves?
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“Wave motion shifts mass from one region to another.” The above statement is:
“Wave motion shifts mass from one region to another.” The above statement is:
PhysicsGrade-7
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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
A periodic wave is a _________.
A periodic wave is a _________.
PhysicsGrade-7
Physics
Which of the following statements is/are correct about the 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 the 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
When waves move on the surface of the water, the water molecules execute:
When waves move on the surface of the water, the water molecules execute:
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
If you throw a stone in water the wave pattern observed is generally:
If you throw a stone in water the wave pattern observed is generally:
PhysicsGrade-7
Physics
Which of the following does not require a medium for propagation?
(a) Sound waves
(b) Light waves
(c) Water waves
Which of the following does not require a medium for propagation?
(a) Sound waves
(b) Light waves
(c) Water waves
PhysicsGrade-7
Physics
In which of the following medium waves can be generated?
In which of the following medium waves can be generated?
PhysicsGrade-7
Physics
Which of the following is carried by waves from one place to another?
Which of the following is carried by waves from one place to another?
PhysicsGrade-7
