(a) What is the threshold of hearing ?
(b) What is the threshold of pain in the ear ?

(a) What is the threshold of hearing and what is the treshold of pain in the context of hearing ? How are these related to each other ? (b) What are the value of intensity level for (i) Soft whisper (ii) Quiet library (iii) Normal conversation (iv) Rock band (with amplifiers) (v) Jet plane take off (vi) Rocket launch ?

What is meant by threshold of hearing ?

The threshold of pain to human ears is

What is "renal threshold"?

What is threshold energy ?

What is threshold energy.