Question

What is the nature of the image formed in a concave lens?? show with the help of diagram??​

Answer 1

Answer:

The image formed by a concave lens is virtual, erect and diminished in size. The image can't be taken on the screen because the image is formed beyond the screen.

Each resistor has resistance of 6 Ω.

(i) 1/Rp + Rs

Means two connected parallel and then in series with one.

→ [(1/6 + 1/6) + 6] Ω

→ (3 + 6)Ω

→ 9 Ω

(ii) Rs + Rp

Means two connected in series and then in parallel with 3rd one.

→ (6 + 6) + 1/6

→ 1/12 Ω + 1/6 Ω

→ (2 + 3)/12 Ω

→ 4 Ω

Explanation:

Answer 2

Answer:

a virtual image is formed in a concave lens