A suitable unit for gravitational constant is:
1. kg- msec−1kg- msec−1
2. N m−1secN m−1sec
3. N m2 kg−2N m2 kg−2
4. kg m sec−1kg m sec−1
The unit of angular acceleration in the SI system is
1. N kg−1N kg−1
2. m s−2m s−2
3. rad s−2rad s−2
4. m kg−1Km kg−1K
The unit of Stefan's constant σσ is : [This question includes concepts from Thermal Properties of Matter chapter]
1. W m−2 K−1W m−2 K−1
2. W m2 K−4W m2 K−4
3. W m−2 K−4W m−2 K−4
4. W m−2 K4W m−2 K4
In S=a+bt+ct2, SS=a+bt+ct2, S is measured in metres and tt in seconds. The unit of cc will be:
| 1. | none | 2. | mm |
| 3. | ms−1ms−1 | 4. | ms−2ms−2 |
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 m0.00006 m. It is equal to
1. 6 microns6 microns
2. 60 microns60 microns
3. 600 microns600 microns
4. 0.6 microns0.6 microns
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