SI unit of pressure is
1. Pascal
2. Dynes/cm2
3. cm of Hg
4. Atmosphere
The unit of angular acceleration in the SI system is
1. N kg−1
2. m s−2
3. rad s−2
4. m kg−1K
The unit of Stefan's constant σ is : [This question includes concepts from Thermal Properties of Matter chapter]
1. W m−2 K−1
2. W m2 K−4
3. W m−2 K−4
4. W m−2 K4
In S=a+bt+ct2, S is measured in metres and t in seconds. The unit of c will be:
1. | none | 2. | m |
3. | ms−1 | 4. | ms−2 |
Joule-second is the unit of :
1. Work
2. Momentum
3. Pressure
4. Angular momentum
Unit of energy in SI system is
1. Erg
2. Calorie
3. Joule
4. Electron volt
A cube has a numerically equal volume and surface area. The volume of such a cube is :
1. 216 units
2. 1000 units
3. 2000 units
4. 3000 units
Wavelength of ray of light is 0.00006 m. It is equal to
1. 6 microns
2. 60 microns
3. 600 microns
4. 0.6 microns
Electron volt is a unit of
1. Charge
2. Potential difference
3. Momentum
4. Energy
Temperature can be expressed as a derived quantity in terms of any of the following:
1. | length and mass | 2. | mass and time |
3. | length, mass, and time | 4. | none of the above |