HARD
11th Maharashtra Board
IMPORTANT
Earn 100

Obtain the expressions for magnifying power and the length of an astronomical telescope under normal adjustments.

Important Questions on Optics

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°. 
HARD
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 3
A car uses a convex mirror of curvature 1.2 m as its rearview mirror. A minibus of cross-section 2.2 m×2.2 m×6.6 m is away from the mirror. Estimate the image size.
HARD
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 3
Derive the expressions for the magnifying power and the length of a compound microscope using two convex lenses.
EASY
11th Maharashtra Board
IMPORTANT
Physics>Chapter 9 - Optics>Exercises>Q 3
A glass slab of thickness 2.5 cm having refractive index 5/3 is kept on ink spot. A transparent beaker of very thin bottom containing water of refractive index 4/3 up to 8 cm is kept on the glass block. calculate apparent depth of the ink spot when seen from the outside air .