Physics, 09.04.2021 14:00 1hannacarson

Ch observations.
ta
с
e
image formed.
(
is the object placed from the lens? Draw the ray diagram.
15 cm. Find the position and nature of the image.
10. An object 5 cm in length is held 25 cm away from a converging lens of local length
10 cm. Draw the ray diagram and find the position, size and the nature of the
11. A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far
12. An object is placed at a distance of 10 cm from a convex mirror of focal length
13. The magnification produced by a plane mirror is +1. What does this mean?
14. An object 5.0 cm in length is placed at a distance of 20 cm in front of a convex
mirror of radius of curvature 30 cm. Find the position of the image, its nature
15. An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal
length 18 cm. At what distance from the mirror should a screen be placed, so that
a sharp focussed image can be obtained? Find the size and the nature of the image.
. a ,
16. Find the focal length of a lens of power - 2.0 D. What type of lens is this?
17. A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of
the lens. Is the prescribed lens diverging or converging?
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Ch observations.
ta
с
e
image formed.
(
is the object placed from the...

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