Physics As Level Waves and Superposition

Quiz
•
Physics
•
12th Grade
•
Hard
Jostin Diaz
Used 103+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
teo sound waves have frequencies of 250 Hz and 300 Hz. The speed of sound is 340 m/s, What is the difference between the wavelenghts of the two waves?
0.23 m
1.1 m
1.4 m
6.8 m
2.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Continuos water waves are diffracted through a gap in a barrier in a ripple tank. Which change will increase the diffraction of the waves?
increase the frequency of the waves
increase the width of the gap
reduce the wavelength of the waves
reduce the width of the gap
3.
FILL IN THE BLANK QUESTION
5 mins • 2 pts
A microphone connected to a c.r.o. is place in front of a loudspeaker. The trace on the screen of the oscilloscope is shown in the image. The time base setting is 0.5 ms/cm. and 0.2mV/cm is the y-axis of the screen. What is the pitch and loudness of the sound?
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Ech of the principal radiation of the electromagnetic spectrum has a range of wavelengths. Which of the wavelengths in the image is correctly link to its radiation
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Which option correctly displays the wavelengths for the electromagnetic waves
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
A source of sound of frequency 1000 Hz moves away from the stationary observer at a speed of 30 m/s. the speed of sound is 330 m/s. What is the frequency of sounnd heard by the observer
909 Hz
917 Hz
1090 Hz
1100
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Considering the Doppler effect, When a car is travelling at a constant velocity, passes a stationary observer, the observer hears a change in frequency of the sound emmited by the car. Which statement is correct?
the change in frequency is greater as the car moves away
the greater the speed of the car, the greater the change in observed frequency
The observed frequency is lower as the car moves towards the observer
the volume of sound heard by the observer does not change
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