# Doubt from sound waves

Getting b??

Error method never bring exact result but some time it saves a lot of time

Thanks bro😀

So what you basically did is you knew the formula relating frequency and tension

By knowing change in tension you calculated change in frequency

So can this (error method ) be applied anywhere where we want to know change in a particular quantity when we have the relation the relates the unknown change with the changes given in the question

1 Like

Yes error method can be applied anywhere when there is not a very large change is mentioned but since it a approximation method , it never bring exact result . So be careful while applying in numerical based question and when option are very close to each other.

1 Like

Ok thnx