A telescope is such that the power of it...

A telescope is such that the power of its two lenses be 0.5D and 20D respectively. What will be the magnifying power of that lens? —

Text Solution

Verified by Experts

Topper's Solved these Questions

MODEL PAPER SET-12
UNITED BOOK HOUSE|Exercise EXERCISE|31 Videos
MODEL PAPER SET-14
UNITED BOOK HOUSE|Exercise EXERCISE|36 Videos

Similar Questions

Explore conceptually related problems

What is the S.I. unit of power of a lens?

The focal lengths of the objective and the eyepiece of an astronomical telescope are 140 cm and 5 cm respectively. The magnifying power of the telescope for viewing objects when the final image is formed at the least distance of distinct vision (25 cm ) will be

The magnifying power of an astronomical telescope for normal vision is 10 . The focal length of the objective is 20 cm . What will be the magnifying power for focussing the final image formed at a distance of 25 cm from the eyepiece ?

What is S.I. unit of power of a lens?

If the focal length of objective lens is increased then magnifying power of the

If in compound microscope m_1 and m_2 be the linear magnification of the objective lens and eye lens respectively, then what is the magnifying power of the microscope ?

For a thin convex lens the’focal length for red and blue light is 1.005 m and 0.995 m respectively. What is the dispersive power for that lens medium?

The focal lenghts of the objective and the eyepiece of a terrestrial telescope are 180 cm and 5 cm respectively. The focal length of the erecting lens is 3.5 cm. what is the distance between the objective and the eyepiece ? what is its magnifying power ? Can it be used for the purpose of astronomy ?

UNITED BOOK HOUSE-MODEL PAPER SET-13-EXERCISE

What is the condition for wattless current?
Text Solution
|
The velocity of light in a medium is 2 xx 10^8m//s. What will be the r...
Text Solution
|
A telescope is such that the power of its two lenses be 0.5D and 20D r...
Text Solution
|
What is the momentum of a photon of frequency gamma and wavelength lam...
Text Solution
|
What is the velocity of electrons in'the first Bohr Orbit of Hydrogen ...
Text Solution
|
What is the unit of mu0 (free space permeability)?
Text Solution
|
Is it possible for a static charge to produce a magnetic field?
Text Solution
|
A coil of metal wire is stationary in a non-uniform magnetic field. Is...
Text Solution
|
What is the power and focal length- of a parallel glass slab?
Text Solution
|
A person uses glass of power '+2D. He is suffering from-
Text Solution
|
What is the condictivity a semiconductor at absolute zero.
Text Solution
|
The magnetic field at the centre of a loop of radius carrying current...
Text Solution
|
Arrange the following in the ascending order of the wave lengths— X-ra...
Text Solution
|
The Ground state energy for Hydrogen atom is -13.6eV :What will be th...
Text Solution
|
What will be the height of the antena to transmit the TV signal to a d...
Text Solution
|
An object has charge of 80mu c. What is the number of excess electrons...
Text Solution
|
What is the total amount of work to rotate a charge in the static elec...
Text Solution
|
Wb//m^2isthe unit of which physical Quantity?
Text Solution
|
The angle of minimum deviation for any prism (A = 60^@) is 30^@. If th...
Text Solution
|
What is the relation between path difference and phase difference?
Text Solution
|