In $S=a+bt+c{t}^2$, 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 $0.00006m$. It is equal to 

(1) $6microns$

(2) $60microns$

(3) $600microns$

(4) $0.6microns$

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:

Unit of power is:

(1) Kilowatt

(2) Kilowatt-hour

(3) Dyne

(4) Joule

The density of wood is $0.5gm/cc$ in the CGS system of units. The corresponding value in MKS units is :

(1) 500

(2) 5

(3) 0.5

(4) 5000

Which is the correct unit for measuring nuclear radii

(1) Micron

(2) Millimetre

(3) Angstrom

(4) Fermi