Physics Class 10th
1. Sound Waves are ________ waves traveling through medium.
A) Longitudinal
B) Transverse
C) Both A and B
D) None of the above
2. Sound is which type of wave:
A) Electromagnetic Wave
B) Mechanical Wave
C) Both A and B
D) None of the above
3. Sound wave is produced by ________ of objects.
A) Fusion
B) Vibrating
C) Breakage
D) Sound is not made by objects
4. Sound can only travel through a medium:
A) True
B) False
5. Sound does not exist in:
A) Air
B) Liquid
C) Vacuum
D) Solids
6. A Tuning fork consists of _____ metal prong(s):
A) One
B) Two
C) Three
D) Four
7. A region of high molecular density is called:
A) Rarefaction
B) Compression
C) Trough
D) None of the above
8. A compression is a region of:
A) High Density
B) High Pressure
C) Low Density
D) Both A and B
9. A region with reduced density is called:
A) Compression
B) Crest
C) Trough
D) Rarefaction
10. Which of the following is needed for production of sound:
A) Disturbance
B) Medium
C) Vibrating
D) All of the above
11. Sound Requires a medium for its:
A) Production
B) Reduction
C) Propagation
D) Both A and B
12. Which of the following organ is used for detection of sound:
A) Spinal cord
B) Brain
C) Ears
D) Nose
13. Ears convert sound waves into _______of hearing.
A) Detection
B) Feeling
C) Perception
D) None of the above
14. Perception is defined as the awareness through:
A) Sound
B) Senses
C) Artificial hearing devices
D) Brain Activity
15. Microphones detect sound by converting it to:
A) Chemical Energy
B) Electrical Signal
C) Radioactive waves
D) Mechanical waves
16. Which device is used for hearing by the impaired:
A) Pace maker
B) Artificial hearing aid
C) Shunt
D) None of the above
17. The Ear is divided into ____ parts.
A) One
B) two
C) Three
D) Four
18. The middle ear, which runs from ear drum to:
A) Auditory nerve
B) Tympanic Membrane
C) Brain
D) Cochlea
19. The sound waves that enter our ears is a _______ wave that sets the ear drum in motion.
A) Mechanical
B) Infra-red
C) Pressure
D) Microwave
20. _______ distinguishes from shrill and grave sound.
A) Quality
B) Loudness
C) Pitch
D) Frequency