1 Answer

Physical Quantities 27 Electricity & Magnetism 48 Motion 8 Measurement 4 Electricity 166 Physical Optics 80 Waves 117 Force 51 Heat 137 Laws of Motion 1 Light 100 Pressure 139 Thermodynamics 1

**Bipina Poudel** · Accepted Answer · 2020-07-01T11:30:33Z

SN.	Convex Lens	Concave Lens
1	The lens which is thick in the middle and thin at the edge is convex lens	The lens which is this in the middle and thick at the edge is concave lens
2	It converges parallel rays of light at a point	It diverges the parallel rays of light from a point.
3	Its focal length and power are positive.	Its focal length and power are negative
4	It forms images of different sizes and natures.	It always forms virtual and diminished image of an object.
5	It is used in camera, microscope, telescope, for the correction of far sightedness, etc.	It is used in peep hole of door, for the correction of short shitedness, etc.

Difference between Convex and Concave lens