The velocity of a particle depends upon as $v=a+bt+c{t}^2$; if the velocity is in $m/\sec$, the unit of a will be 

1. $m/\sec$

2. $m/{\sec }^2$

3. $m^2/\sec$

4. $m/{\sec }^3$

One million electron volt $\left(1MeV\right)$ is equal to 

1. ${10}^{5}eV$

2. ${10}^{6}eV$

3. ${10}^{4}eV$

4. ${10}^{7}eV$

Volt/metre is the unit of 

1. Potential

2. Work

3. Force

4. Electric field intensity

The unit of self inductance of a coil is 

1. Farad

2. Henry

3. Weber

4. Tesla

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

$Erg-m^{-1}$ can be the unit of measure for 

1. Force

2. Momentum

3. Power

4. Acceleration

Mach number is equal to one when velocity of object is equal to:

1. Velocity of light

2. Velocity of sound $(332m/\sec )$

3. $1km/\sec$

4. $1m/\sec$

Henry/ohm can be expressed in 

1. Second

2. Coulomb

3. Mho

4. Metre