Question

Whoever answers this question correctly i will mark them brainliest

Answer 1

Answer:

3 .A. Focal point .

B.Real ,inverted and diminished

C.At the centre of curvature (C2).

D. real, inverted and same size

E. Beyond centre of curvature.

F. At infinity .

G. Real , inverted and highly magnified .

H . Virtual , erect and magnified .

4. Using lens formula

1/f=u-1 [1/R1 -1/R2]

where R1= --ve

1/f=(1.5-1) [1/(-30) --1/60]

1/f=(0.5) [3/60] = -0.5*1/20

f= -40cm