Question

As an empty vessel is filled with water, its frequency..
a) increase b)decrease c) remain same

d) none of them​

Answer 1

Answer:

increase

Explanation:

we know that sound travel faster in liquids that's why the oscillations will also increase

BUT

if u are talking about light then frequency will remain same

Answer 2

An empty vessel filled with water so, it's frequency will increase because frequency is inversely proportional to length of air column.