A pure tone at 1000 Hz has a dB level of 50 dB. If two such tones exis – McqOptions

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1.	A pure tone at 1000 Hz has a dB level of 50 dB. If two such tones exist simultaneously the dB level is about
A.	50 dB
B.	53 dB
C.	100 dB
D.	200 dB
Answer» C. 100 dB

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