Oscillations & Waves - Waves
Q. If the amplitude of a wave is increased, what effect does it have on the energy carried by the wave? (2019)
-
A.
Energy decreases
-
B.
Energy remains the same
-
C.
Energy increases
-
D.
Energy becomes zero
Solution
The energy carried by a wave is proportional to the square of its amplitude. Therefore, if the amplitude increases, the energy also increases.
Correct Answer: C — Energy increases
Learn More →
Q. Which of the following phenomena is NOT associated with waves? (2023)
-
A.
Interference
-
B.
Diffraction
-
C.
Refraction
-
D.
Conduction
Solution
Conduction is a mode of heat transfer and is not associated with wave phenomena.
Correct Answer: D — Conduction
Learn More →
Q. Which of the following waves requires a medium to travel? (2023)
-
A.
Electromagnetic waves
-
B.
Sound waves
-
C.
Radio waves
-
D.
Light waves
Solution
Sound waves require a medium (solid, liquid, or gas) to travel, while electromagnetic waves can travel through a vacuum.
Correct Answer: B — Sound waves
Learn More →
Showing 1 to 3 of 3 (1 Pages)
