The unit of power is :
1. Joule
2. Joule per second only
3. Joule per second and watt both
4. Only watt
Which of the following is not represented in correct unit
1.
2. Surface tension =
3. Energy
4. Pressure
1. \(1~\text{micron}=10^{-8}~\text{cm}\)
2. \(1~\text{micron}=10^{-6}~\text{cm}\)
3. \(1~\text{micron}=10^{-5}~\text{cm}\)
4. \(1~\text{micron}=10^{-4}~\text{cm}\)
The quantity has dimensional formula same as [This question includes concepts from 12th syllabus]
1.
2.
3.
4. Power
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
One nanometre is equal to:
1. \(10^9~\text{mm}\)
2. \(10^{-6}~\text{cm}\)
3. \(10^{-7}~\text{cm}\)
4. \(10^{-9}~\text{cm}\)
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 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. |
© 2025 GoodEd Technologies Pvt. Ltd.