Reducing Spherical Aberration in Lenses

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What can cause blurred images or colored edges around objects in optical systems?

Reflection

Chromatic Aberration (correct)

Spherical Aberration

Diffraction

Which method can correct chromatic aberration by using lenses with equal but opposite focal lengths?

Using flint glass and crown lenses (correct)

Increasing the light intensity

Introducing more distortion

Using mirrors

What is one method used to reduce spherical aberration in modern lenses?

Using planoconvex lenses

Employing a specialized aspherical lens surface (correct)

Using oil immersion lens

Coating the lens periphery with opaque materials

Which optical problem is also known as 'color fringing' or 'purple fringing'?

Chromatic Aberration Signup and view all the answers

What is the purpose of the combination of crown and flint lenses known as Achromatic Doublet?

To correct chromatic aberration Signup and view all the answers

What is the main characteristic of compound microscopes in terms of illumination source?

Use of visible light as illumination source Signup and view all the answers

What causes Chromatic Aberration in optical systems?

Lens dispersion with different colors of light traveling at different speeds Signup and view all the answers

How does a lens correct Chromatic Aberration by filling the space between the specimen and the lens?

Using oil immersion lens Signup and view all the answers

Why must specimens examined under compound microscopes be cut/sliced thinly?

To allow light to pass through for examination Signup and view all the answers

Which type of aberration occurs when a lens cannot bring all wavelengths of color to the same focal plane?

Chromatic Aberration Signup and view all the answers

Which type of microscope uses visible light to observe specimens?

Light microscope Signup and view all the answers

How can spherical aberration in lenses be corrected using specialized surfaces?

Using aspherical surfaces curved outwards on one side Signup and view all the answers

What is the main optical problem associated with simple microscopes due to light rays not converging at the same point?

Spherical aberration Signup and view all the answers

What happens to light rays passing through a lens near its horizontal axis compared to those closer to the edge, leading to spherical aberration?

They refract less than rays closer to the edge Signup and view all the answers

How does spherical aberration affect resolution and clarity in optical systems?

It reduces resolution and clarity Signup and view all the answers

Which of the following is NOT a cause of chromatic aberration in optical systems?

Usage of low-quality lenses Signup and view all the answers

What is the primary method to correct chromatic aberration in optical systems?

Employing achromatic lenses Signup and view all the answers

Among the listed options, which is an example of another type of optical aberration not discussed in the text?

Diffraction grating Signup and view all the answers