1. The wavelength of the wave in the diagram above is
given by letter __________.

2. The amplitude of the wave in the above diagram is given
by letter ___________.

3. The crest of the wave in the above diagram is given by
letter _________.

4. The trough of the wave in the above diagram is given by
letter _________.

5. The pulse sent down a long string eventually dies away
and disappears. What happens to its energy?
A. the energy disappear in the wave
B. the energy remains along the length of the string
C. the energy is transferred from the wave to the
environment
D. the pulse does not carry energy

6. Mechanical waves transport energy from one place to
another through ________.
A. alternately vibrating particles of the medium
B. particles travelling in the wave
C. vibrating and travelling particles
D. none of the above

7. In a transverse wave, the individual particles of the
medium _______.
A. move in circles
B. move in ellipse
C. move parallel to the direction of travel
D. move perpendicular to the direction of travel
8. The higher the frequency of the wave
A. the lower its speed.
B. the shorter its wavelength
C. the greater its amplitude
D. the longer its period

9. Of the following properties of a wave, the one that is
independent of the other is its
A. amplitude
B. wave speed
C. wavelength
D. frequency

10. Energy of the sun reaches the Earth through
A. ultraviolet waves
B. infrared waves
C. mechanical waves
D. electromagnetic waves

11. Which of the following waves is NOT an example of
mechanical wave?
A. transverse wave
B. longitudinal wave
C. surface wave
d. electromagnetic wave

12. Which of the following statements is NOT TRUE?
A. electromagnetic waves require no material medium
for their passage
B. in mechanical waves, some physical medium is being
disturbed for the wave to propagate
C. waves like sound, water waves, earthquake waves are
example of electromagnetic waves
D. none of the abov