उत्तल लेंस की फॉक्स दुरी 25 cm है तो उसकी क्षमता क्या होगी
Answers
Answered by
2
May be the answer is right.
Attachments:
Answered by
1
Answer:
Explanation:
f=25cm=1/4m
P=1/f
P=1/1/4=4D
Similar questions