22 एक लेंस की क्षमता +2.5 डायोप्टर है। यह किस प्रकार का लेंस है? (1).
Answers
Answered by
0
Answer:
D= 100/f(in cm)
+2.5 = 100/f
f = 40 cm
Focal length is in positive and the power was also positive thus it is characteristics of converging lens which is known as convex lens.
Hope u got it...
Follow and support me thank you!
Answered by
0
Explanation:
लेंस का प्रकार उत्तल लेंस है|
Similar questions