EASY
11th Maharashtra Board
IMPORTANT
Earn 100

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

Important Questions on Optics

HARD
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
A rectangular sheet of length 30 cm and breadth 3 cm is kept at 45 cm from pole on the principle axis of a concave mirror of focal length 30 cm. Draw the image formed by the mirror on the same diagram as far as possible on scale. 
EASY
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
What is a terrestrial telescope and an astronomical telescope? 
HARD
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
Obtain the expressions for magnifying power and the length of an astronomical telescope under normal adjustments.
MEDIUM
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
What are the limitations in increasing the magnifying powers of a simple microscope?
MEDIUM
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
What are the limitations in increasing the magnifying powers of compound microscope. 
EASY
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 2
What are the limitations in increasing the magnifying powers of astronomical telescope?
HARD
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 3
A monochromatic ray of light strikes the water n=43 surface in a cylindrical vessel at an angle of incidence 53°. Depth of water is 36 cm. After striking the water surface, how long will the light take to reach the bottom of the vessel? 
MEDIUM
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 3
Estimate the number of images produced if a tiny object is kept in between two plane mirrors inclined at 35°, 36°, 40° and 45°.