# Physics Revision : Waves

7 Questions | Total Attempts: 2736  Settings  For sec 3/4/5 Physics students revision by mr gui eng hong Singapore

• 1.
What is a Transverse wave ?
• A.

Wave that has particles vibrating up and down

• B.

Wave that has particles vibrating left and right

• C.

Wave that has particles that vibrate perpendicular to wave direction

• D.

Wave that has particles that vibrate parallel to wave direction

• 2.
Which wave is a Longitudinal wave?
• A.

Sound wave

• B.

Light wave

• C.

Infra-Red wave

• D.

X-ray

• 3.
A wave makes 10 oscillations in 5s. What is its frequency?
• A.

0.5 s

• B.

0.5 Hz

• C.

2 s

• D.

2 Hz

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

0.02 m/s

• B.

2 m/s

• C.

50 m/s

• D.

200 m/s

• 5.
A light wave travels from air into plastic. which is true?
• A.

Frequency reduces

• B.

Only speed reduces

• C.

Frequency , speed and wavelength reduces

• D.

Speed and wavelength reduces

• 6.
The speed of light in vacuum is . . .
• A.

3 x 10^8 m/s

• B.

308 m/s

• C.

300 m/s

• D.

3 x 108 m/s

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

V=L/T

• B.

V=LT

• C.

V=F/T

• D.

V=FT

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