Which relation is wrong?

(1) 1 Calorie = 4.18 Joules

(2) $1 \AA ={10}^{-10}m$

(3) $1MeV=1.6\times {10}^{-13}Joules$

(4) $1Newton={10}^{-5}Dynes$

If $x=at+b{t}^2$, where x is the distance travelled by the body in kilometres while t is the time in seconds, then the units of b are

(1) $km\text{}/\text{}s$

(2) $km\text{}-\text{}s$

(3) $km\text{}/\text{}{s}^2$

(4) $km\text{}-\text{}{s}^2$

Given the equation \(\left(P+\frac{a}{V^2}\right)(V-b)=\text {constant}\). The units of \(a\) will be: (where \(P\) is pressure and \(V\) is volume)
1. \(\text{dyne} \times \text{cm}^5\)
2. \(\text{dyne} \times \text{cm}^4\)
3. \(\text{dyne} / \text{cm}^3\)
4. \(\text{dyne} / \text{cm}^2\)

Which of the following quantity is expressed as force per unit area

(1) Work

(2) Pressure

(3) Volume

(4) Area

Match the following:

Codes:

Which is not a unit of electric field

(1) $N{C}^{-1}$

(2) $V{m}^{-1}$

(3) $J{C}^{-1}$

(4) $J{C}^{-1}{m}^{-1}$

'Torr' is the unit of

(1) Pressure

(2) Volume

(3) Density

(4) Flux

Which of the following is a derived unit

(1) Unit of mass

(2) Unit of length

(3) Unit of time

(4) Unit of volume

Dyne/cm² is not a unit of :

(1) Pressure

(2) Stress

(3) Strain

(4) Young's modulus

The units of angular momentum are

(1) $kg\text{}-\text{}{m}^2\text{}/\text{}{s}^2$

(2) $Joule\text{}-\text{}s$

(3) $Joule\text{}/\text{}s$

(4) $kg\text{}-\text{}m\text{}-\text{}{s}^2$