Question

Describe the following picture​

Answer 1

Answer:

A gaseous mixture in a 3 litre vessel contains 0.1 mol H2, 0.3 mol He at 27 °C and 2 bar.

Find the partial pressures of H, and He.

Answer 2

Answer:

sorry i dont know

(b) is correct option

When the image is magnifying for convex lens it's mean the object is placed between the pole and focal length. The object distance will be less than the focal length of the convex lens