Electric displacement density D at any point on spherical surface of radius R with a charge Q at the centre ina medium with dielectric constant $$\epsilon$$ is:

A

$$\frac{Q}{(4 \pi \epsilon R^{2})}$$

B

$$\frac{Q}{(4 \pi R^{2})}$$

C

$$\frac{Q}{(4 \pi \epsilon R)^{2}}$$

D

$$\frac{Q}{(4 \pi R)^{2}}$$