The frequency of vibration f of a mass m suspended from a spring of spring constant K is given by a relation of this type $f=C{m}^x{K}^y$; where C is a dimensionless quantity. The value of x and y are 

1. $x=\frac{1}{2},y=\frac{1}{2}$

2. $x=-\frac{1}{2},y=-\frac{1}{2}$

3. $x=\frac{1}{2},y=-\frac{1}{2}$

4. $x=-\frac{1}{2},y=\frac{1}{2}$

The quantities A and B are related by the relation, m = A/B, where m is the linear density and A is the force. The dimensions of B are of

1. Pressure

2. Work

3. Latent heat

4. None of the above

The velocity of water waves v may depend upon their wavelength $\lambda$, the density of water $\rho$ and the acceleration due to gravity g. The method of dimensions gives the relation between these quantities as: 

1. ${\mathrm{v}}^2\propto {\mathrm{g\lambda }}^{-1}{\mathrm{\rho }}^{-1}$

2. ${\mathrm{v}}^2\propto \mathrm{g\lambda \rho }$

3. ${\mathrm{v}}^2\propto \mathrm{g\lambda }$

4. ${\mathrm{v}}^2\propto {\mathrm{g}}^{-1}{\mathrm{\lambda }}^{-3}$

The dimensions of resistivity in terms of $M$, $L$, $T$, and $Q$ where $Q$ stands for the dimensions of charge, will be:
1. $\left[M L^3 T^{-1} Q^{-2}\right]$
2. $\left[M L^3 T^{-2} Q^{-1}\right]$
3. $\left[M L^2 T^{-1} Q^{-1}\right]$
4. $\left[M L T^{-1} Q^{-1}\right]$

The dimensions of Farad are , where Q represents electric charge [This question includes concepts from 12th syllabus]

1. $M^{-1}{L}^{-2}{T}^2{Q}^2$

2. $M^{-1}{L}^{-2}TQ$

3. $M^{-1}{L}^{-2}{T}^{-2}Q$

4. $M^{-1}{L}^{-2}T{Q}^2$

The equation of a wave is given by $Y=A\sin \omega (\frac{x}{v}-k)$ where $\omega$ is the angular velocity, x is length and $v$ is the linear velocity. The dimension of k is 

1. LT

2. T

3. $T^{-1}$

4. T²

Dimensional formula of capacitance is 

1. $M^{-1}{L}^{-2}{T}^4{A}^2$

2. $M{L}^2{T}^4{A}^{-2}$

3. $ML{T}^{-4}{A}^2$

4. $M^{-1}{L}^{-2}{T}^{-4}{A}^{-2}$

Dimensional formula of heat energy is  

1. $M{L}^2{T}^{-2}$

2. $ML{T}^{-1}$

3. $M^0{L}^0{T}^{-2}$

4. None of these

If C and L denote capacitance and inductance respectively, then the dimensions of LC are 

1. $M^0{L}^0{T}^0$

2. $M^0{L}^0{T}^2$

3. $M^2{L}^0{T}^2$

4. $ML{T}^2$