Physics
Grade-8
Easy
Question
A wave is a ____ that penetrates through a medium.
- Force
- Work
- Disturbance
- All of the above
Hint:
The wave is a disturbance that penetrates through a medium.
The correct answer is: Disturbance
- The wave is a disturbance that penetrates through a medium.
- They can be of two types mechanical and non mechanical.
- Mechanical waves needs a material medium for propagation and it cause a relative motion between the particles of the medium.
Related Questions to study
Physics
Seismic waves cause the earth’s surface to shake. These are ____.
Seismic waves cause the earth’s surface to shake. These are ____.
PhysicsGrade-8
Physics
Vacuum is a medium which has ____ particles.
Vacuum is a medium which has ____ particles.
PhysicsGrade-8
Physics
The picture below shows a ____.
The picture below shows a ____.
PhysicsGrade-8
Physics
The substance through which sound transmits is called a ____.
The substance through which sound transmits is called a ____.
PhysicsGrade-8
Physics
A mechanical wave is the one which requires a ____ for its propagation.
A mechanical wave is the one which requires a ____ for its propagation.
PhysicsGrade-8
Physics
The electrical appliances make noise when they are used. This is because of the _____ of their internal parts.
The electrical appliances make noise when they are used. This is because of the _____ of their internal parts.
PhysicsGrade-8
Physics
Pick the odd one out.
Pick the odd one out.
PhysicsGrade-8
Physics
Which of the following sounds we humans do not make?
Which of the following sounds we humans do not make?
PhysicsGrade-8
Physics
A trumpet needs to be blown to make sound. What vibrates to make this sound?
A trumpet needs to be blown to make sound. What vibrates to make this sound?
PhysicsGrade-8
Physics
A trumpet needs to be blown to make sound. What vibrates to make this sound?
A trumpet needs to be blown to make sound. What vibrates to make this sound?
PhysicsGrade-8
Physics
The buzzing sound of the mosquitoes is a sound is due to the vibration of ____
The buzzing sound of the mosquitoes is a sound is due to the vibration of ____
PhysicsGrade-8
Physics
Match the action in one column to the corresponding amount of friction produced in the other column:
Match the action in one column to the corresponding amount of friction produced in the other column:
PhysicsGrade-8
Physics
Match the following:
Match the following:
PhysicsGrade-8
Physics
The figure below shows a musical instrument. What is the way in which it can be made to make sound?
The figure below shows a musical instrument. What is the way in which it can be made to make sound?
PhysicsGrade-8
Physics
The figure below shows a musical instrument. What is the way in which it can be made to make sound?
The figure below shows a musical instrument. What is the way in which it can be made to make sound?
PhysicsGrade-8
