Question

*.6.2 Cm 2) 6.5 Cm 371.2 Cm 4) 11. The minimum distance from real object to a real image in a concave​

Answer 1

Answer:

u=30.2−0.2  (excess readin)

=30.0cm

v=19.9−(−0.1) (excess reading)

≡20.0cm

If=1v+1u⇒f=12.0cm .

Explanation: please mark me as brainliest