A small telescope has an objective lens ...

A small telescope has an objective lens of focal length `144 cm` and an eye-piece of focal length `6.0 cm`. What is the magnifying power of the telescope ? What is the separation between the objective and the eye-piece ?

Text Solution

Verified by Experts

`24^(@)`

Topper's Solved these Questions

RAY OPTICS
MOTION|Exercise Exercise-1|102 Videos
RAY OPTICS
MOTION|Exercise Exercise-2|39 Videos
RAY OPTICS
MOTION|Exercise Exercise-4|38 Videos
RADIOACTIVITY & NUCLEAR PHYSICS
MOTION|Exercise Exercise-3|81 Videos
ROTATIONAL MOTION
MOTION|Exercise Exercise - 3 ( Section-B )|24 Videos

Similar Questions

Explore conceptually related problems

A telescope has an objective of focal length 100 cm and an eye-piece of focal length 5 cm. What is the magnifying power of the telescope when it is in normal adjustment?

A small telescope has an objective lens of focal length 150 cm and an eye piece of focal length 6.0 cm. The magnifying power of the telescope for distinct vision adjustment is:

A small telescope has an objective lens of focal length 140 cm and eye piece of focal length 5.0 cm . What is the magnifying power of telescope for viewing distant objects when (a) the telescope is in normal adjustment (i.e. when the image is at infinity) (b) the final image is formed at the least distance of distinct vision (25 cm) .

A telescope has an objective of focal length 100 cm and an eyepiece of focal length 5 cm. What is the magnifying power of the telescope when the final image is formed at the least distance of distinct vision ?

A telescope has an objective of focal length 30 cm and an eyepiece of focal length 3 cm. It is used to focus on an object at a distance of 2 m. Calculate the separation between the objective and the eyepiece for seeing with relaxed eye.

A telescope has an objective of focal length 30 cm and an eye piece of focal length 3.0 cm . It is focussed on a scale distant 2.0 m . For seeing with relaxed aye, calculate the separation between the objective and eye piece.

MOTION-RAY OPTICS-Questions For Practice

An object is placed 21 cm in front of a concave mirror of radius of cu...
Text Solution
|
In the figure shown , for an angle of incidence 45^(@), at the top sur...
Text Solution
|
If light travels a distance x in t(1) sec in air and 10x distance in t...
Text Solution
|
A fish looking from within water sees the outside world through a circ...
Text Solution
|
A thin prism of 6^@ angle gives a deviation of 3^@. The refractive in...
Text Solution
|
A ray of light passes through an equilateral prism (refractive index 1...
Text Solution
|
Find the angular dispersion produced by a thin prism of 5^(@) ...
Text Solution
|
The refractive indicates of flint glass for red and violent colours ar...
Text Solution
|
In a certain spectrum produced by a glass prism of dispersive power 0....
Text Solution
|
White light is passed through a prism of angle 10^(@) If the rafra...
Text Solution
|
A lens placed at a distance of 20cmfrom a object produces of virtual I...
Text Solution
|
A converging beam of light forms a sharp image on a screen. A lens is ...
Text Solution
|
An object of size 3.0 cm is placed 14 cm in front of a concave lens of...
Text Solution
|
The focal length of the objective and the eye piece of a compound micr...
Text Solution
|
A small telescope has an objective lens of focal length 144 cm and an ...
Text Solution
|
A small telescope has an objective lens of focal length 144 cm and an ...
Text Solution
|
The exposure time of a camera lens at the (f)/(2.8) setting is (1)/(2...
Text Solution
|
A camera objective has an aperture diameter d . If the aperture is red...
Text Solution
|
A person who can see things most clearly at a distance of 10 cm. Requi...
Text Solution
|
A student can distinctly see the object upto a distance 15 cm. He want...
Text Solution
|