Question

Please solve.
Rahim had a spherical glass bottle in which he could store cm^3 water. If he uses it to form a special mirror by cutting it in half and applying a silver coating on one side, what would be the focal length of the mirror.?

options:-
a.) 3 CM
b.) 1.5 cm
c.)4 cm
d.)9 cm
​

Answer 1

b is correct answer second option is correct

Answer 2

Explanation:

Acceleration is the name we give to any process where the velocity changes. Since velocity is a speed and a direction, there are only two ways for you to accelerate: change your speed or change your direction—or change both. ... Any of these would be considered an acceleration since they change velocity.