WorksheetsQuiz ( 1 ) Ch. ( 1 ) / 2nd Sec
Total questions: 10
Worksheet time: 50mins
Three waves propagate as shown in the figure, which of them has higher amplitude ?
Wave ( 1 )
Wave ( 2 )
wave ( 3 )
None of them
- In the opposite figure, we can hear the sound of Alarm in position ( 1 ) because……..
Sound is an electromagnetic longitudinal wave.
Sound is a mechanical transverse wave.
Sound is an electromagnetic wave that can travel through air.
Sound is a mechanical wave that need a medium to travel through.
The ratio between the time of amplitude and the periodic time of one complete oscillation is ………….
2/1
1/2
4/1
1/4
Frequency of the wave is the reciprocal of …………………
Wave length
Periodic time
Amplitude
Wave velocity
If the vibrating pendulum makes 100 oscillations in one minute, so the periodic time of such pendulum will be ………………sec.
100
6000
0.6
1.67
If a vibrating object takes 0.1 sec to complete one oscillation, the number of complete oscillations that made by the object during 100 sec equals ...................oscillations.
10
100
1000
10000
S-1 is the measuring unit of …………….
Periodic time
Frequency
Wave length
Amplitude
Which of these waves can't travel through a vacuum?
Microwaves
Light
X-rays
Sound
The opposite figure shows the motion of a simple pendulum. Which distance represents an amplitude ?
XY
XL
ZL
ZK
In the opposite figure, the number of complete vibrations done by the pendulum as shown in the figure is ………….
One complete vibration
3/4 complete vibration
1/2 complete vibration
Zero complete vibration
