An object is placed at distance 15 cm from a
convex lens of focal length 10 cm. Then the
distance between the object and image is
(a) 30 cm
(b) 15 cm
(c) 10 cm
(d) 45 cm
Answers
Answered by
1
Answer:
1/15 +1/10 =1/f , so f = 15×10/(15+10) = 6 cm. How do I find the distance of the image if an object is placed at the focus of a concave mirror having a focal length of 20cm?
Answered by
6
Answer:
1/15 +1/10 =1/f , so f = 15×10/(15+10) = 6 cm. How do I find the distance of the image if an object is placed at the focus of a concave mirror having a focal length of 20cm?
Explanation:
follow me
Similar questions