How many wavelengths of $K{r}^{86}$ are there in one metre

1. 1553164.13

2. 1650763.73

3. 652189.63

4. 2348123.73

Which of the following pairs is wrong?

1. Pressure-Baromter

2. Relative density-Pyrometer

3. Temperature-Thermometer

4. Earthquake-Seismograph

Dimensional formula $M{L}^{-1}{T}^{-2}$ does not represent the physical quantity

1. Young's modulus of elasticity

2. Stress

3. Strain

4. Pressure

Dimensional formula $M{L}^2{T}^{-3}$ represents

1. Force

2 Power

3. Energy

4. Work

Whose dimensions are $M{L}^2{T}^{-1}$?

1. Torque

2. Angular momentum

3. Power

4. Work

Which pair has the same dimensions?

1. Work and power

2. Density and relative density

3. Momentum and impulse

4. Stress and strain

Dimensions of one or more pairs are same. Identify the pairs

1. Torque and work

2. Angular momentum and work

3. Energy and Young's modulus

4. Year and wavelength

Dimensional formula for volume elasticity is

1. $M^1{L}^{-2}{T}^{-2}$

2. $M^1{L}^{-3}{T}^{-2}$

3. $M^1{L}^2{T}^{-2}$

4. $M^1{L}^{-1}{T}^{-2}$

The dimensions of universal gravitational constant are

1. $M^{-2}{L}^2{T}^{-2}$

2. $M^{-1}{L}^3{T}^{-2}$

3. $M{L}^{-1}{T}^{-2}$

$\mathrm{4.\; M}{L}^2{T}^{-2}$

The dimensional formula of angular velocity is

1. $M^0{L}^0{T}^{-1}$

2. $ML{T}^{-1}$

3. $M^0{L}^0{T}^1$

4. $M{L}^0{T}^{-2}$