A light-year is a unit of: 
1. Time
2. Mass
3. Distance
4. Energy

Which of the following is not equal to 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

The unit of power is :

(1) Joule

(2) Joule per second only

(3) Joule per second and watt both

(4) Only watt

SI unit of pressure is

(1) Pascal

(2) $Dynes/c{m}^2$

(3) cm of Hg

(4) Atmosphere

The unit of Stefan's constant $\sigma$ is : [This question includes concepts from Thermal Properties of Matter chapter]

(1) $W{m}^{-2}{K}^{-1}$

(2) $W{m}^2{K}^{-4}$

(3) $W{m}^{-2}{K}^{-4}$

(4) $W{m}^{-2}{K}^4$

In $$\(S= a+bt+ct^2,~S\) is measured in metres and \(t\) in seconds. The unit of \(c\) will be:

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