The magnitude of any physical quantity:
1. | depends on the method of measurement. |
2. | does not depend on the method of measurement. |
3. | is more in the SI system than in the CGS system. |
4. | is directly proportional to the fundamental units of mass, length and time. |
Which of the following is not equal to a watt?
1. Joule/second
2. Ampere\(\times\) volt
3. ( Ampere)2\(\times\) ohm
4. Ampere/volt
Newton–second is the unit of
1. Velocity
2. Angular momentum
3. Momentum
4. Energy
Which of the following is not represented in correct unit
1.
2. Surface tension =
3. Energy
4. Pressure
One second is equal to :
1. 1650763.73 time periods of clock
2. 652189.63 time periods of clock
3. 1650763.73 time periods of clock
4. 9192631770 time periods of clock
The unit of power is :
1. Joule
2. Joule per second only
3. Joule per second and watt both
4. Only watt
SI unit of pressure is
1. Pascal
2.
3. cm of Hg
4. Atmosphere
The unit of angular acceleration in the SI system is
1.
2.
3.
4.