English

Answer the following question in detail. What is the limitation in increasing the magnifying powers of a simple microscope? - Physics

Advertisements
Advertisements

Question

Answer the following question in detail.

What is the limitation in increasing the magnifying powers of a simple microscope?

Short/Brief Note
Advertisements

Solution

In the case of a simple microscope,

Mmax = `"D"/"u"=1+"D"/"f"`

Thus, the limitation in increasing the magnifying power is determined by the value of focal length and the closeness with which the lens can be held near the eye.

shaalaa.com
Optical Instruments
  Is there an error in this question or solution?
Chapter 9: Optics - Exercises [Page 186]

APPEARS IN

Balbharati Physics [English] Standard 11 Maharashtra State Board
Chapter 9 Optics
Exercises | Q 3. (xii) (i) | Page 186

RELATED QUESTIONS

Answer the following question in detail.

Derive an expression for the magnifying power of a simple microscope. Obtain its minimum and maximum values in terms of its focal length.


Answer the following question in detail.

What is the limitation in increasing the magnifying powers of a compound microscope?


Answer the following question in detail.

What is the limitation in increasing the magnifying powers of the astronomical telescope?


Discuss about simple microscope and obtain the equations for magnification for near point focusing and normal focusing.


Why is oil-immersed objective preferred in a microscope?


What is the use of an erecting lens in a terrestrial telescope?


What are the uses of spectrometer?


What is the remedy of myopia?


What is the remedy of hypermetropia?


What is astigmatism? What is its remedy?


Discuss about simple microscope and obtain the equations for magnification for near point focusing and normal focusing.


Obtain the equation for resolving the power of the microscope.


Mention different parts of the spectrometer.


Explain the preliminary adjustments of the spectrometer.


Explain the experimental determination of the material of the prism using a spectrometer.


When a convex lens of 12.5 cm focal length is used as a magnifying glass, normal eye can see an object clearly at a distance of 25 cm. The magnifying power of the instrument is ____________.


The magnifying power of a telescope is high if its objective and eyepiece have respectively ______.


A simple microscope is used to see the object first in blue light and then in red light. Due to the change from blue to red light, what is the effect on its magnifying power?


The speed of light in media 'A' and 'B' are 2.0 × 1010 cm/s and 1.5 × 1010 cm/s respectively. A ray of light enters from medium B to A at an incident angle 'θ'. If the ray suffers total internal reflection, then ______.


An object viewed from a near point distance of 25 cm, using a microscopic lens with magnification '6', gives an unresolved image. A resolved image is observed at infinite distance with a total magnification double the earlier using an eyepiece along with the given lens and a tube of length 0.6 m, if the focal length of the eyepiece is equal to ______ cm.


An observer looks at a distant tree of height 10 m with a telescope of magnifying power of 20. To the observer the tree appears:


The image formed by an objective of a compound microscope is ______.


In the adjoining figure, AB represents the incident ray, and BK is the reflected ray. If angle BCF = θ, then ∠BFP is given by ______.

 


A camera objective has an aperture diameter of d. If the aperture is reduced to diameter d/2, the exposure time under identical conditions of light should be made ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×