Question

2. S.I. unit of latent Feat of fusion: A) Cal/gm B) Joule/Kilogram C) Caloric/gram°C D) Joule/Kg.k 3. An object is placed at 25 cm. infront of a concave mirror of focal length 15 cm The image is formed at 37.5 cm from the mirror. The magnification is : A) - 6 B) 1.5 C) 3 D)-1.5 1. The mirror which is formed always virtual image is : A) Concave B) Convex lens C) Plane mirror D) All the abow . The refractive index of glass is 3/2. The speed of light in the glass is. A) 3 x 10 m/s B) 2 x 10 m/s C) 1.5 x 10 m/s D) 2 x 10 The refractive index o diamond is: A) 1.33 B) 2.42 C) 1,77 D) 2.53 The angle between the line drawn from the centre of curvature to a point ont curved surface at that point. * 8 8 8 -8​

Answer 1

Answer:

I think your answer will be a bit more complicated than the other