PDF chapter test TRY NOW
Choose the correct word given in the table :
decreased | increased | Cochlea |
Amplitude | auditory | noise pollution |
larynx | infrasonic | energy |
Shriller | Frequency | Voice box |
1. Plantation on the roadside can reduce .
2. is also called larynx.
3. If the thickness of a vibrating string is, it will reduce its pitch.
Register for free to see more content