EASY
11th Maharashtra Board
IMPORTANT
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Explain the spherical aberrations for spherical mirrors. How can it be minimised? Can it be eliminated by some curved mirrors?

Important Questions on Optics

EASY
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
Define absolute refractive index and relative refractive index. Explain in brief with an illustration for each.
EASY
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
Explain mirage as an illustration of refraction.
EASY
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
Under what conditions is total internal reflection possible? Explain it with a suitable example. Define critical angle of incidence and obtain an expression for it. 
MEDIUM
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
Describe construction and working of optical fibre. What are the advantages of optical fibres communication over electronic communication?
MEDIUM
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
Why is the prism binoculars preferred over traditional binoculars? Describe its working in brief.
MEDIUM
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
A spherical surface separates two transparent media. Derive the expression that relates object and image distances with the radius of curvature for a point object. Clearly, state the assumptions, if any.
HARD
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
Derive the len's maker equation. Why is it called so? Under which conditions focal length f and radii of curvature R are numerically equal for a lens?
EASY
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
What are different types of dispersions of light? Why do they occur?