The quantity has dimensional formula same as [This question includes concepts from 12th syllabus]
1.
2.
3.
4. Power
1. | \(\left[MLT^{-2}\right]\) | 2. | \(\left[ML^{-1}T^{2}\right]\) |
3. | \(\left[ML^{-1}T^{-2}\right]\) | 4. | \(\left[MLT^{2}\right]\) |
1. | Time | 2. | Mass |
3. | Distance | 4. | Energy |
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