Why no beats can be heard if the frequencies of the two interfering waves differ by more than ten?

We cannot hear beats.when beat frequency is more than 10.why?

Dogs can hear sounds with frequency more than 20, 000 Hz.

A binomial can have degree more than 2.

Two sitarstrings A and B playing the note ‘Ga’ are slightly out of tune and produce beats of frequency 6 Hz. The tension in the string A is slightly reduced and the beat frequency isfound to reduce to 3 Hz. If the original frequency of A is 324 Hz, what is the frequency of B?

Why is the frequency of sickle cell anaemia more in the malaria prone areas?

Name the electromagnetic waves that have frequencies greater than those of ultraviolet light but less than those of gamma rays.

To hear beats,it is essential to have two frequencies very close to each other.Why?

Four coins are tossed simultanesouly 150 times with the following frequencies of difference outcomes: Find the probability of more than 2 heads

Two intersecting lines can intersect each other at more than one point.