Home
Class 12
PHYSICS
The focal length of objective and eye le...

The focal length of objective and eye lens of a microscope are `4 cm` and `8 cm` respectively. If the least distance of distinct vision is `24 cm` and object distance is `4.5 cm` from the objective lens, then the magnifying power of the microscope will be

A

18

B

32

C

64

D

20

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    CENGAGE PHYSICS|Exercise DPP 1.5|15 Videos

  • PHOTOELECTRIC EFFECT

    CENGAGE PHYSICS|Exercise Integer Type|4 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    CENGAGE PHYSICS|Exercise QUESTION BANK|40 Videos

Similar Questions

Explore conceptually related problems

The focal lengths of the objective and eye piece of a compound microscope are 4 cm and 6 cm respectively. If an object is placed at a distance of 6 cm from the objective, calculate the magnification produced by the microscope. Take distance of distinct vision = 25 cm .

The focal length of objective and eye-piece of a telescope are 100 cm and 5 cm respectively. Final image is formed at least distance of distinct vision. The magnification of telescope is

The focal lengths of the objective and eye piece of a microscope are 2 cm and 5 cm respectively, and the distance between them is 20 cm . Find the distance of the object from the objective when the final image seen by the eye is 25 cm from the eye piece. What is the magnifying power ?

The focal lengths of the objective and eye - lens of a microscope are 1cm and 5 cm respectively. If the magnifying power for the relaxed eye is 45 , then the length of the tube is

The focal lengths of the objective and the eyepiece of a compound microscope are 1.0 cm and 5.0 cm respectively. An object, placed at a distance of 1.1 cm from the objective, has its final image formed at a distance of 25 cm from the eye. Find the magnifying power of the microscope.

The focal length of objective and eyelens of a astonomical telescope are respectively 20 cm and 5 cm. Final image is formed at least distance of distinct vision. The magnifying power will be

The focal lengths of the objective and eyepiece of a microscope are 4mm and 25 mm respectively, and the length of the tube is 16cm. If the final image is formed at infinity and the least distance of distinct vision is 25 cm, then calculate the magnifying power of the microscope.

The focal lengths of the objective and eyelens of a microscope are 1.6 cm and 2.5 cm respectively. The distance between the two lenses is 21.7 cm. If the final image is formed at infinity, the distance between the object and the objective lens is :