Which of the following is the smallest unit?

1. Millimetre

2. Angstrom

3. Fermi

4. Metre

Which one of the following pairs of quantities and their units is a proper match?

1. Electric field – $Coulomb/m$

2. Magnetic flux – $Weber$

3. Power – Farad

4. Capacitance – Henry

The units of modulus of rigidity are

1. $N\text{}-\text{}m$

2. $N\text{}/\text{}m$

3. $N\text{}-\text{}{m}^2$

4. $N\text{}/\text{}{m}^2$

The unit of absolute permittivity is

1. $Fm$ (Farad-metre)

2. $F{m}^{-1}$ (Farad/metre)

3. $F{m}^{-2}$ (Farad/$metr{e}^2$)

4. F (Farad)

[This question includes concepts from 12th syllabus] 

Codes:                                                                                        

1. $I-A,II-F,III-E,IV-D$

2. $I-C,II-F,III-A,IV-B$

3. $I-C,II-F,III-A,IV-E$

4. $I-B,II-F,III-A,IV-C$

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: