If the power of the eyepiece (L2) is 5 diopters and it forms an image at a distance of 80 cm from its optical centre, at what distance should the object be?
A. 12 cm
B. 16 cm
C. 18 cm
D. 20 cm
Answer:B
If the power of the eyepiece (L2) is 5 diopters and it forms an image at a distance of 80 cm from its optical centre, at what distance should the object be?
A. 12 cm B. 16 cm C. 18 cm D. 20 cm