II. Directions: Read each question carefully. Choose the best answer and write it on the
space provided before the number.

1. If the particles of the medium are vibrating to and fro in the same direction of energy
transport, then the wave is a
wave.

a. Longitudinal
b. Sound
c. Transverse
d. Standing

2. As a wave travels into a medium in which its speed increases, its wavelength would

a. decrease
b. increase
c. remain the same

3. The number of cycles of a periodic wave occurring per unit time is defined as a waves

a. wavelength
b. period
c. amplitude
d. frequency

4. Maximum distance the molecules of a medium are displaced from their rest position.
a. amplitude
b. frequency c. speed
d. wavelength

5. Energy from the Sun reaches the Earth through
a. Electromagnetic waves
c. Mechanical waves
b. Infrared waves
d. Ultraviolet wave​