Physics, asked by nunumanjeri4133, 11 months ago

Focal length of a convex lens in air is 20 cm find its focal length when immersed in water given mg is equal to 3 by 2

Answers

Answered by maxgogoi52
0

আধা হব লাগে মোৰ মতে, ছাৰক সুধি লবি

Similar questions