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.

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

Which of the following is not represented in correct unit  

(1) $\frac{\text{Stress}}{\text{Strain}}=N\text{}/\text{}{m}^2$

(2) Surface tension = $N\text{}/\text{}m$

(3) Energy $=kg\text{-}m\text{}/\text{}\sec$

(4) Pressure $=N\text{}/\text{}{m}^2$

One second is equal to :

(1) 1650763.73 time periods of $Kr$ clock

(2) 652189.63 time periods of $Kr$ clock

(3) 1650763.73 time periods of $Cs$ clock

(4) 9192631770 time periods of $Cs$ clock

A micron is related to centimetre as

(1) $1micron={10}^{-8}cm$

(2) $1micron={10}^{-6}cm$

(3) $1micron={10}^{-5}cm$

(4) $1micron={10}^{-4}cm$

The unit of power is :

(1) Joule

(2) Joule per second only

(3) Joule per second and watt both

(4) Only watt

A suitable unit for gravitational constant is:

(1) $kg\text{-\hspace{0.17em}}m{\sec }^{-1}$

(2) $N{m}^{-1}\sec$

(3) $N{m}^{2}k{g}^{-2}$

(4) $kgm{\sec }^{-1}$

SI unit of pressure is

(1) Pascal

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

(3) cm of Hg

(4) Atmosphere

The unit of angular acceleration in the SI system is 

(1) $Nk{g}^{-1}$

(2) $m{s}^{-2}$

(3) $rad{s}^{-2}$

(4) $mk{g}^{-1}K$