Question

with ray diagram find the different object in a concave lens​

Answer 1

Explanation:

Examples are given for converging and diverging lenses and for the cases where the object is inside and outside the principal focal length.

Answer 2

a car is moving with a constant velocity of of 10 metre per second and a constant force applied on it for four second and begin to move in opposite direction with speed of 2 metre per second by the acceleration produced...