MCQ
When the object is self-luminous, the resolving power of a microscope is given by the expression
  • $\frac{2 \mu \sin \theta}{1.22 \lambda}$
  • B
    $\frac{\mu \sin \theta}{\lambda}$
  • C
    $\frac{2 \mu \cos \theta}{1.22 \lambda}$
  • D
    $\frac{2 \mu}{\lambda}$

Answer

Correct option: A.
$\frac{2 \mu \sin \theta}{1.22 \lambda}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A magnetic needle suspended by a silk thread is vibrating in the earth's magnetic field. If the temperature of the needle is increased by $500^{\circ} \mathrm{C}$, then
A bar magnet when placed at an angle of 30 to the direction of magnetic field induction of $5 \times 10^{-2} . T$, experiences a moment of couple $25 \times 10^{-6} \ \mathrm{N}-\mathrm{m}$. If the length of the magnet is $5 \mathrm{~cm}$ its pole strength is
Bulk modulus was first defined by
Vibration magnetometer before use, should be set
Weber/m is equal to
The height to which a cylindrical vessel be filled with a homogeneous liquid, to make the average force with which the liquid presses the side of the vessel equal to the force exerted by the liquid on the bottom of the vessel, is equal to
The reactance of a coil when used in the domestic ac power supply ($220$ volts, $50$ cycles per second) is $50\ ohms$. The inductance of the coil is nearly
Ice starts forming in lake with water at $0^{\circ} \mathrm{C}$ and when the atmospheric temperature is $-10^{\circ} \mathrm{C}$. If the time taken for $1 \mathrm{~cm}$ of ice be 7 hours, then the time taken for the thickness of ice to change from $1 \mathrm{~cm}$ to $2 \mathrm{~cm}$ is
When the electron in the hydrogen atom jumps from $2^{-}$orbit to $1^{-}$ orbit, the wavelength of radiation emitted is $\lambda$. When the electrons jump from 3 orbit to 1 orbit, the wavelength of emitted radiation would be
Oxygen boils at $-183^{\circ} \mathrm{C}$. This temperature is approximately