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- 1. Multiple Choice
Which of the following electromagnetic waves has the largest wavelength?
gamma rays
Infrared radiation
microwaves
x-rays
- 2. Multiple Choice
Which of the following is not a property of electromagnetic waves?
All electromagnetic waves are longitudinal waves.
All electromagnetic waves can travel in air.
All electromagnetic waves can travel without any medium
All electromagnetic waves travel at a speed of 3 x 108 ms-1.
- 3. Multiple Choice
Which of the following statements is correct?
Both electromagnetic waves and sound waves are able to transfer energy from one place to another.
Both electromagnetic waves and sound waves are both longitudinal waves.
Both electromagnetic waves and sound waves do not require a medium to travel in.
Electromagnetic waves travel at different speeds depending on the medium while sound waves travel at 330 ms-1 regardless of medium.
- 4. Multiple Choice
Man A shouts at a wall 150 m in front of him.
Taking the speed of sound to be 330 ms-1, how long will it take for man B to hear the echo of man A?
0.75 s
1.21 s
1.67 s
2.42 s
- 5. Multiple Choice
At which point along the wave will there be a compression?
A
B
C
D
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