Physics Revision : Waves

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| By Mrguienghong
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Mrguienghong
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1. Which wave is a Longitudinal wave?

Explanation

sound is the ONLY example of Longitudinal wave. the others are transverse waves

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Physics Revision : Waves - Quiz

For sec 3/4/5 Physics students revision by mr gui eng hong Singapore

2. The speed of light in vacuum is . . .

Explanation

all elctromagnetic wave travels at 300 000 000 m/s in vacuum

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3. What is a Transverse wave ?

Explanation

Transverse wave has particles vibrating perpendicular to wave. Longitudinal wave has particles vibrating parallel to wave.

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4. A 100 Hz wave has wavelength 2.0 m. What is its speed?

Explanation

speed = frequency x wavelength

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5. A wave makes 10 oscillations in 5s. What is its frequency?

Explanation

frequency is the number of oscillations made per second. 2 Hz means 2 oscillations made per second.

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6. A light wave travels from air into plastic. which is true?

Explanation

frequency of wave depends on the source. when light slows down, frequency remains unchanged. since speed = frequency x wavelength, when speed decreases, wavelength also decreases

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7. V : speed. F: frequency L: wavelength T:period. which equation is correct?

Explanation

F=1/T. V=FL = (1/T)L = L/T. Combine 2 equeations.

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Which wave is a Longitudinal wave?
The speed of light in vacuum is . . .
What is a Transverse wave ?
A 100 Hz wave has wavelength 2.0 m. What is its speed?
A wave makes 10 oscillations in 5s. What is its frequency?
A light wave travels from air into plastic. which is true?
V : speed. F: frequency L: wavelength T:period. which equation is...
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