The knowledge of surface tension is applied in the follow...
The knowledge of surface tension is applied in the following areas except in
manufacturing of rain coats
production of palm oil
floating of a needle on water
washing of plates with soapy water
Correct answer is B
No explanation has been provided for this answer.
On a stationary sail boat, air is blown from a fan attached to the boat. The boat ...
To convert a galvanometer to a voltmeter, a ...
If an object is placed in front of two mirrors inclined at 90o, how many images will be formed?...
At constant pressure, the density of a fixed mass of gas is ...