Question

Mrs.anita pandey observed that her cooking utensils are becoming black in colour and the flame of her gas stove is yellowish in colour she complains about it in the gas company and her the gas repaired how us this problem harmful for our environment​

Answer 1

Explanation:

μ = Refractive index. v = Image distance u = Object distance. R = Radius of curvature. This equation is for the case when object is placed in rarer medium and image is formed in the denser medium and it is a real image and curved surface is convex.