Your Fullname

Your Email Address

1. Sound is a ___________ type of wave:

Transverse
Longitudinal
Normal
Not a wave

2.To hear a sound you need a:

Small
Medium
Large
Stereo

3. Echo is:

A reflection of sound
A ghost talking
A double vibration of air
None of the above

4. The speed of sound in air is:

Greater than that of light
100km/hr
100m/hr
331 m/s

5. The Doppler effect is caused by::

Waves getting less intense with distance
The properties of air
The ressonance of air
None of the above

6. You see a lightning bolt before you hear it because:

Sound is faster than light
The forces are uneven
Light is faster than sound
None of the above

7. Stereos operate by vibrating the air, and subsequently your ears:

True
False

8.The 'volume' of a sound wave can be adjusted by increasing the:

Frequency
Amplitude
Wavelength
Period

9. Sonar is an application of:

Difraction
Echo
The speed of light
The speed of sound and echo

10. You can see a baby in its mother's womb with ultrasonic sounds:

True
False