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- 1. Multiple Choice
When waves propagate from medium to another, change in __________________ can be observed.
direction and frequency
speed and frequency
speed and direction
- 2. Multiple Choice
When a water waves travels from shallow to deep water region, it travels _________________ and has __________________ wavelength.
slower, shorter
faster, longer
faster, shorter
slower, longer
- 3. Multiple Choice
When a water waves from deep to shallow water region, the direction of propagation will ____________________ meanwhile if it is from shallow to deep water region, the direction of propagation will _______________________.
refracted towards the normal, refracted away from the normal
refracted away from the normal, refracted towards the normal
- 4. Multiple Choice
A vibrating beam dipped into a tank as shown above. Which of the following wave pattern is correct?
- 5. Multiple Choice
The sound of train can be heard clearly at night due to ________________
magnification of sound
diffraction of sound
reflection of sound
refraction of sound
- 6. Multiple Choice
Choose the example of refraction from the situation below.
Ultrasonic waves
SONAR
Rainbow
- 7. Multiple Choice
A plane wave which has a wavelength of 3 cm and speed of 9 cms^-1 propagates across a shallow region. When the wave enters the deep region, wave speed becomes 15 cms^-1. Find the value of the wavelength in the deep region.
4 cm
5 cm
6 cm
7 cm
- 8. Multiple Choice
Diagram below shows the propagation of water wave from region J to region K of different depths. Speed of the wave is 18 cmS^-1 in region J. Determine the speed of the wave in region K.
3.3 cms^-1
5.1 cms^-1
7.2 cms^-1
9.0 cms^-1
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