एक ऐसा जीव जो कभी नहीं मरता | An immortal being | #shorts #short #padhaithefact

Long-sightedness is caused by the eyeball being too short. It can be corrected by the use of a

A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively with and without being short circuited through a resistance of 10 Omega . Its internal resistance is

A peice of cloth measured with a metre stick, one cm short, is 100 metres long. Reckoning the metre stick as being right, the actual length of the cloth (in cm) is