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(B) The resolving power $(P)$ of a compound microscope is given by the formula: $P = \frac{2 \mu \sin 	heta}{1.22 \lambda}$.Here,$\mu$ is the refract

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increase the refractive index of the medium between the object and objective lens.

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(B) The resolving power $(P)$ of a compound microscope is given by the formula: $P = \frac{2 \mu \sin 	heta}{1.22 \lambda}$.Here,$\mu$ is the refractive index of the medium between the object and the objective lens,$	heta$ is the half-angle of the cone of light from the object,and $\lambda$ is the wavelength of light used.To improve the resolving power,one must increase the numerator or decrease the denominator.Therefore,increasing the refractive index $(\mu)$ of the medium between the object and the objective lens increases the resolving power.

$A$ person is observing a bacteria through a compound microscope. For better analysis and to improve the resolving power,he should:

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