5. How does amplitude of a wave relate with the energy it carry?
A. The higher the amplitude, the higher the energy.
B. The lower the amplitude, the higher the energy.
C. Amplitude of the wave does not affect its energy.
D. As amplitude of the wave increases, its energy remains the same

6. Which pair is found in longitudinal waves?

A. crests and troughs
B. compressions and crests
C. compressions and rarefactions
D. rarefactions and troughs

7. Which of the following theories of light states that light is both a wave and a particle?

A. Corpuscular Theory of Light
B. Quantum Theory
C. Wave Theory
D. Electromagnetic Theory