science
Grade-4-
Easy
Question
In which of the following media can a mechanical wave travel?
- In a medium but not in a vacuum
- Neither in a medium nor a vacuum
- In a vacuum as well as in a medium
- In vacuum but not in a medium
Hint:
Mechanical waves needs a medium.
The correct answer is: In a medium but not in a vacuum
- A mechanical waves needs medium particles to travel.
- It cannot travel through vacuum.
- So, the correct option is a.
Related Questions to study
science
The picture below shows a ____.
The picture below shows a ____.
scienceGrade-4-
science
In the given figure, which parameters/parameter of the wave is/are changing?
In the given figure, which parameters/parameter of the wave is/are changing?
scienceGrade-4-
science
If we pluck the string hard, we will increase the ______ of the wave.
If we pluck the string hard, we will increase the ______ of the wave.
scienceGrade-4-
science
On the string _______, we get less no. of full waves.
On the string _______, we get less no. of full waves.
scienceGrade-4-
science
When we pluck the strings of a guitar, the ________ energy of the strings get transferred to the waves.
When we pluck the strings of a guitar, the ________ energy of the strings get transferred to the waves.
scienceGrade-4-
science
The pitch of which wave is the maximum?
The pitch of which wave is the maximum?
scienceGrade-4-
science
The amplitude of which waves is the maximum?
The amplitude of which waves is the maximum?
scienceGrade-4-
science
“Wave motion shifts the material from one region to another”. The above statement is:
“Wave motion shifts the material from one region to another”. The above statement is:
scienceGrade-4-
science
In the given diagram, how many full waves have been shown?
In the given diagram, how many full waves have been shown?
scienceGrade-4-
science
When we drop a pebble in the water the ________ energy of the pebble gets transferred to the waves.
When we drop a pebble in the water the ________ energy of the pebble gets transferred to the waves.
scienceGrade-4-
science
We cannot see:
- Waves on a rope and slinky-
- Waves on a water surface-
We cannot see:
scienceGrade-4-
- Waves on a rope and slinky-
- Waves on a water surface-
science
When we decrease the wavelength of a wave, the frequency
When we decrease the wavelength of a wave, the frequency
scienceGrade-4-
science
The frequency represents the _______ of a sound.
The frequency represents the _______ of a sound.
scienceGrade-4-
science
In the given figure, which parameter of the wave is not changing?
In the given figure, which parameter of the wave is not changing?
scienceGrade-4-
science
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:
scienceGrade-4-