Here are some MCQs Mechanical & Electromagnetic Waves
1. Which of the following is a mechanical wave?
a) Radio wave
b) Light wave
c) Sound wave
d) X-ray wave
Answer: c) Sound wave
2. Which of the following is an electromagnetic wave?
a) Radio wave
b) Sound wave
c) Water wave
d) Seismic wave
Answer: a) Radio wave
3. Mechanical waves require a medium to propagate. True or False?
Answer: True
4. Electromagnetic waves require a medium to propagate. True or False?
Answer: False
5. The speed of sound in air is approximately:
a) 300,000 km/s
b) 3,000 m/s
c) 300 m/s
d) 30 m/s
Answer: c) 300 m/s
