An astronomical telescope has a large ap...

An astronomical telescope has a large aperture to,

a) reduce spherical aberration

b) have high resolution

c) increase span of observation

d) have low dispersion

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

OPTICS
FULL MARKS|Exercise ADDITIONAL QUESITON - II ADDITIONAL PROBLEMS:|11 Videos
OPTICS
FULL MARKS|Exercise TEXTUAL EVALUATION SOLVED V.NUMERICAL PROBLEMS|10 Videos
MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT
FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED - NUMERICAL PROBLEMS :|4 Videos
RECENT DEVELOPMENTS IN PHYSICS
FULL MARKS|Exercise ADDITIONAL QUESTIONS (Short Answer Question)|6 Videos

Similar Questions

Explore conceptually related problems

An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eyepiece is 36 cm and the final image is formed at infinity. The focal length f_(0) of the objective and f_(e) of the eyepiece are respectively

The eyepice of an astronomicasl telescope has a focasl length of 10 cm. The telescope is focussed for normal vision of distant objects when the tube length is 1.0 m. find the focal length of the bjective and the magnifying power of the telescope.

The focal length of the objective of an astronomical telescope is 75 cm and that of the eyepiece is 5 cm . If the final image is formed at the least distance of distanct of distinct vision from the eye, calculate the magnifying power of the telescope.

Explain the working of an astronomical telescope using refraction of light.

An astronomical telescope of ten fild angular magnification has a length of 44 cm. The focal length of the object is

In an astronomical telescope in normal adjustment a straight black line of length L is drawn on side part of objective lens. The eye-piece forms a real image of this line the length of this image is L. The magnification of the telescope is.

Assertion : Astronomical telescope is used to view heavenly bodies. Reason : Telescope is easily protable.

Compound microscope, astronomical telescope, simple microscope, flood light.

Define astronomical unit.

FULL MARKS-OPTICS-ADDITIONAL QUESITON -( MULTIPLE CHOICE QUESTIONS )

The refractive index of glass is 1.520 for red light and 1.525 for blu...
Text Solution
|
Time image formed by an objective of a compound microscope is
Text Solution
|
An astronomical telescope has a large aperture to,
Text Solution
|
Two plane mirros are inclined to each other at an angle of 60^(@). A p...
Text Solution
|
A boy 1.5 m tall with his eye level at 1.38 m stands before a mirror f...
Text Solution
|
A pencil of light rays falls on a plane mirror and forms a real image,...
Text Solution
|
For a real object, which of the following can produce a real image?
Text Solution
|
Which mirror is to be used to obtain a paralle beam of light from a s...
Text Solution
|
When a plane electromagnetic wave enters a glass slab, then which of t...
Text Solution
|
If wavelenght of light in air is 2400 xx 10(-10) m, then what will be...
Text Solution
|
Why is refractive index in a transparent medium greater that one?
Text Solution
|
The wavelenght of sodium light in air is 5890Å. The velocity of light...
Text Solution
|
A glass slab (mu = 1.5) of thickness 6 cm is placed over a paper. What...
Text Solution
|
Light traveling from a transparent medium to air undergoes that intern...
Text Solution
|
A point source of light is placed 4 cm below the surface of water of r...
Text Solution
|
In optical fibres, propagation of light is due to
Text Solution
|
Sparking of diamond is due to
Text Solution
|
For a given lens, the magnification was found to be twice as large as ...
Text Solution
|
Two lenses of focal legths f(1) and f(2) are kept in contact coaxially...
Text Solution
|
Two lenses of power 3D and -1D are kept in contact. What is focal leng...
Text Solution
|