State the difference between the two: Rods and cones.

State the difference between the two: Iris and Pupil.

State the difference between the two: Pinna and Tympanum.

State the difference between the two: Nasal cavity and Ear canal.

State the difference between macro nutrients and micro nutrients.

State the differences between convex and concave mirrors.

State the differences between convex and concave mirrors.

State the differences between solid, liquid and gas.

What is the difference between a cylin der and a cone with respect to the num ber of faces, vertices and edges ?

Two rods of lengths L_(1) and L_(2) are made of materials whose coefficient of linear expansion are alpha_1 and alpha_2 . If the difference between the two lengths is independent of temperature.

Difference between Rods and Cones?