Welcome to your Grade 9 Physics chapter 6
After carefully reading the following 30 questions, choose the correct answer.
1.
What is another name for oscillation?
2.
Oscillation is a to and fro motion about a fixed point called:
3.
What is defined as a disturbance that propagates from a source carrying energy?
4.
Waves that require a material medium for their propagation are called:
5.
Which waves do NOT require a medium for their propagation?
6.
In which type of wave is the direction of propagation perpendicular to the direction of oscillation?
7.
What is the most common example of a longitudinal wave?
8.
Sound is generated by the series of _______ of an object.
9.
The force exerted by a spring that acts to return an object to equilibrium is called a:
10.
At the equilibrium position (x = 0) of a vibrating mass-spring system, the net force is:
11.
When a mass on a spring is at its maximum positive value of x, its velocity is:
12.
Sound waves travel through any material medium with a speed that depends on the:
13.
As a sound wave travels through air, it produces changes in:
14.
What happens to a cart's speed as it passes through x = 0 after being released from x = A?
15.
The time taken to complete one full oscillation is called:
16.
What is the maximum displacement from equilibrium called?
17.
Which characteristic of sound depends on the frequency of the vibration?
18.
What is the phenomenon where waves combine to form a new wave?
19.
Sound cannot travel through:
20.
Longitudinal waves consist of compressions and:
21.
In a transverse wave, the highest point is called the:
22.
The number of oscillations per unit time is called:
23.
Which part of a transverse wave is the lowest point?
24.
A mass on a spring completes one oscillation in time:
25.
Every source of sound is in a state of:
26.
What is carried by a wave as it propagates?
27.
The distance between two consecutive crests is the:
28.
Loudness is primarily related to a wave's:
29.
A simple pendulum consists of a mass suspended by a:
30.
When a sound wave travels, the elements of the medium vibrate:
