Download App

Ray Optics and Optical Instruments — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsRay Optics and Optical Instruments1 Mark
MCQ
Which relation is correct for the power of compound microscope ?
  • ✓
    $M=-\frac{L}{f_{0}}(1+\frac{D}{f_{e}})$
  • B
    $M=-\frac{f_{0}}{L}(1+\frac{D}{f_{e}})$
  • C
    $M=(1+\frac{D}{f_{e}})$
  • D
    $M=(1-\frac{D}{f_{e}})$
✓

Answer

Correct option: A.
$M=-\frac{L}{f_{0}}(1+\frac{D}{f_{e}})$
A

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

Explore more

More "M.C.Q (1 Marks)" from Ray Optics and Optical Instruments→Ray Optics and Optical Instruments — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

The power factor of L-R circuit is :
→
Which one of the following statements is true(a) An object situated at the principle focus of a concave lens will have its image formed at infinity(b) Concave mirror can give diminished virtual image(c) Given a point source of light, a convex mirror can produce a parallel beam of light(d) The virtual image formed in a plane mirror can be photographed
 
 
 
 
→
In Young's double slit experiment, angular width of fringes is $0.20^{\circ}$ for sodium light of wavelength $5890 \mathring A$. If complete system is dipped in water, then angular width of fringes becomes
→
The sun makes $0.5^{\circ}$ angle on earth surface. Its image is made by convex lens of $50 \ cm$ focal length. The diameter of the image will be
→
Which of the following contains a covalent bond?
→
While tuning in a certain broadcast station with a receiver, we are actually(a) Varying the local oscillator frequency(b) Varying the frequency of the radio signal to be picked up(c) Tuning the antenna(d) None of these
 
 
 
 
→
When an atomic gas or vapour is excited at low pressure, by passing an electric current through it then?
→
An LR circuit with a battery is connected at t = 0. Which of the following quantities is not zero just after the connection?
  1. Current in the circuit.
  2. Magnetic field energy in the inductor.
  3. Power delivered by the battery.
  4. Emf induced in the inductor.
→
A parallel plate capacitor of plate separation $2\ mm$ is connected in an electric circuit having source voltage $400 V$ . if the plate area is $60\ cm^2$, then the value of displacement current for $10^{-6} \sec$ will be
→
White light is passed through a prism whose angle is 5°. If the refractive indices for rays of red and blue colour are respectively 1.64 and 1.66, the angle of deviation between the two colours will be(a) 0.1 degree(b) 0.2 degree(c) 0.3 degree(d) 0.4 degree
       
→