The focal lengths of the objective and e...

The focal lengths of the objective and eye lenses of a telescope are respectively 200 cm and 5 cm. The maximum magnifying power of the telescope will be:

-40

-48

-60

-100

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

RAY OPTICS AND OPTICAL INSTRUMENTS
AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - B)|35 Videos
RAY OPTICS AND OPTICAL INSTRUMENTS
AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - C)|80 Videos
RAY OPTICS AND OPTICAL INSTRUMENTS
AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|45 Videos
PHYSICAL WORLD
AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (Section-B)|4 Videos
SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )
AAKASH INSTITUTE ENGLISH|Exercise Assignment SECTION - D (Assertion & reason type Question)|10 Videos

Similar Questions

Explore conceptually related problems

The focal length of the objective and eye piece of a telescope are respectively 100 cm and 2 cm . The moon subtends and angle of 0.5^@ , the angle subtended by the moon's image will be.

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 length of objective and eyelens of a astronomical 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 length of the eyepiece and the objective of an astronomical telescope are 2cm and 100cm respectively. Find the magnifying power of the telescope for normal adjustment and the length of the telescope.

The length of the tube of a microscope is 10 cm . The focal lengths of the objective and eye lenses are 0.5 cm and 1.0 cm . The magnifying power of the microscope is about

The focal length of objective and eye lens of a astronomical telescope are respectively 2m and 5 cm . Final image is formed at (i) least distance of distinct vision (ii) infinity. The magnifying power in both cases will be

The focal lengths of the objective and eyepiece of a telescope are 60 cm and 5 cm respectively. Find as magnifying power (P) for normal adjustment and when the image forms at near point.

The focal length of the objective and eye lenses 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. What is the linear magnification ?

In an astronomical telescope, the focal length of the objective lens is 100 cm and of eye-piece is 2 cm . The magnifying power of the telescope for the normal eye is

AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-ASSIGNMENT (SECTION - A)

Two thin lenses of focal lengths 20 cm and -20 cm are placed in contac...
Text Solution
|
If in a planoconvex lens, the radius of curvature of the convex surfac...
Text Solution
|
A glass concave lens is placed in a liquid in which it behaves like a ...
Text Solution
|
Diameter of plano-convex lens is 6 cm and thickness at the centre is 3...
Text Solution
|
Two plano-convex lenses of equal focal lengths are arranged as shown ...
Text Solution
|
When the object is at distance u1 and u2 from the optical centre of a ...
Text Solution
|
A convex mirror of focal length f produced an image (1//n)^(th) of the...
Text Solution
|
A thin convergent glass lens (mug=1.5) has a power of +5.0D. When this...
Text Solution
|
In case of displacement method of lenses, the product of magnification...
Text Solution
|
The focal length of a planoconvex glass lens is 20 cm (mu(g)=1.5). The...
Text Solution
|
Two thin similar convex glass pieces are joined together front to fron...
Text Solution
|
What is the cause of dispersion of white light through a glass prism ...
Text Solution
|
The angle at which a ray of light be incident on one face of an equila...
Text Solution
|
A prism of refractive index sqrt2 has refractive angle 60^@. In the or...
Text Solution
|
A glass prism of refractive index 1.5 is immersed in water of refracti...
Text Solution
|
A person can see clearly only upto a distance of 25 cm. He wants to re...
Text Solution
|
An astronomical telescope has an objective of focal length 100 cm and ...
Text Solution
|
When a telescope is adjusted for parallel light, the distance of the o...
Text Solution
|
The focal lengths of the objective and eye lenses of a telescope are r...
Text Solution
|
A convex lens of focal length 100 cm and a concave lens of focal lengt...
Text Solution
|