Question

4. Solution A, B, C, and have pH 5,7,9, and 11. The solution with highest basic strength is
b) B a) A c) C d) D

5.When an object is placed between optical centre and focus F1 In front of a convex lens, where will be the image formed?
a) at infinity b) beyond 2F c) on the same side of lens as object d) at F2

6. The formula m =
a) magnification c) both a and b h₂ h₁ is used to find out b) power of accommodation d) none of these​

Answer 1

Answer:

answer is (cd) is the correct answer