Question

X
The suitable focal length of the convex lens used as magnifying lens to read
Hallmark 916" written on ornaments is
A 12 cm
B. 60 cm
C 100 cm
D. 120 cm
inaanetic field lines inside a solenoid are in the form of parallel straight


how ​

Answer 1

Answer:

I think option A 12 cm is your answer

Explanation:

please mark me as brainlist