Analyse the following observation table showing variations of image distance (v)
with object distance (u) in case of a convex lens and answer the questions that
follow, without doing any calculations:
S. No. Object
distance u (cm)
1
-90
2
-60
Image distance v (cm)
+ 18
+ 20
30
+ 30
20
4
+ 60
5
+90
18
TILI
+ 100
10
6
() What is the focal length of the convex lens ?
Mark only one oval.
(a) -10 cm
(b) + 10 cm
(c)-15 cm
(d) + 15 cm
Answers
Answered by
1
Answer:
10 cm
Explanation:
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