Compare 0.5,0.005 and 0.05.
A uniform wire of radius r=0.5±0.005cm length l=5±0.05cm. The maximum percentage error in its volume is
The pitch of a screw gauge is 0.5 mm and the head scale is divided in 100 parts. What is the least count of screw gauge?
A baby cries with a frequency 712 Hz, if the speed of sound in air is 356m/s, the wavelength of sound is: