8 cm
6 cm
10 cm
12 cm
A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat?
A current carrying conductor is associated with
A current carrying conductor is related with
A cycle tyre bursts suddenly. This represents an
A cyclist moves due east at 8 km/h for half an hour and then turns exactly southwards for another half an hour at 6 km/h. The average velocity of the cyclist for the period is
A decibel is
A device G.M counter is used for the measurement of which of the following?
A device used for converting a.c. into d.c. is called
A device which is used to limit the current in an electrical circuit is called a
A diagnostic technique commonly known as Ultrasound is based on recording
