മനുഷ്യന്റെ ശ്രവണപരിധി :
A2 Hz - 20 kHz
B20 Hz - 2000 Hz
C2 Hz - 200 kHz
D20 Hz - 20000 Hz
A2 Hz - 20 kHz
B20 Hz - 2000 Hz
C2 Hz - 200 kHz
D20 Hz - 20000 Hz
Related Questions:
A light beam passing through three mediums P. Q and R is given, by observing the figure, find out the correct statement related to the optical density of the mediums.