?Vibration magnetometer works on the principle of
1). torque acting on the bar magnet?
2). ?force acting on the bar magnet
3). both the force and the torque acting on?the bar magnet
4). none of these?
1. Person who is colourblind cannot distinguish between
2. Which device is used to measure the depth of ocean?
3. What is the range of masses involved in the study of Physics?
4. Which among the following is false about viscosity?