Question

a lens form a real image at some distance v of an object placed at u with a magnifaction -3 . now the object is brought 5cm closer to lens now the magnification becomes +2 what will be the new value of v in term of u. what can you say about the. nature of the lens class 10​

Answer 1

Answer:

ans 4

Explanation:

-3 +5 +2 = 4 nature of the lens class 10