Write down different frequencies for following(frequency ranges). (1) Voice frequency (2) High frequency (3) IR frequency (4) Visible frequency(light)

Write down different frequencies for following(frequency ranges). (1) Voice frequency (2) High frequency (3) IR frequency (4) Visible frequency(light)
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1 Answer

Answer :

Sr. No
Frequency
Range
1 Voice Frequency
300 Hz to 3kHz
2 High Frequency 
3 MHz to 30 MHz
3 IR Frequency
30 THz to 430 THz
4 Visible Spectrum (light)
375 THz to 750 THz
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