A real image of an object fomed by a converging lens of focal length 15cm is three times the size of the object. What is the distance of the object from the lens?

by Sunday | Aug 31 | Physics WAEC | 0 comments

A. 30cm
B. 25cm
C. 20cm
D. 15cm
E. 10cm

Correct Answer:

Option C – 20cm

Explanation

1/u + 1/3u = 1/15; u = 20cm

Users Also Read These:

Recent Posts

Products

Health Team Original price was: ₦1,000.00.Current price is: ₦300.00.
Factors Affecting Health in Nigeria Original price was: ₦1,000.00.Current price is: ₦300.00.
Primary Health Care Principles Original price was: ₦1,000.00.Current price is: ₦300.00.
Nigeria Healthcare Tiers Original price was: ₦1,000.00.Current price is: ₦300.00.
Primary Health Care - Health According To WHO - Referral System Original price was: ₦1,000.00.Current price is: ₦300.00.

Product categories

Earn Your Degree In 3 Years Without Writing UTME. Click Here To Learn More.