EASY
NEET
IMPORTANT
Earn 100
Define dispersion. Draw the ray diagram showing dispersion through a prism.
Important Questions on Ray Optics and Optical Instruments
MEDIUM
NEET
IMPORTANT
Derive expression for deviation produced by prism.
HARD
NEET
IMPORTANT
With the help of ray diagram, illustrate the formation of the final image of an object in a compound microscope. Derive an expression for its magnifying power.
HARD
NEET
IMPORTANT
Describe construction and working of an astronomical telescope. Calculate its magnifying power, when the image is formed at the least distance of distinct vision
EASY
NEET
IMPORTANT
Derive the relation between refractive index and minimum deviation. (Prism formula)
MEDIUM
NEET
IMPORTANT
What is meant by linear magnification of spherical mirrors? Deduce the formulae for the same.
EASY
NEET
IMPORTANT
Show by drawing ray diagram how a totally reflecting glass prism can be used to deviate a ray of light through and invert it.
EASY
NEET
IMPORTANT
Describe a reflecting type telescope what are its advantages?
MEDIUM
NEET
IMPORTANT
Derive the expression for focal length of a spherical mirror