Question

(d) Chesleal reactions
Give difference between
the characteristicases/advantages effects .
#pe of question may be asked:
The refractive index of a material with respect to air is 12
Find the speed of light in the material, taking the speed
Night in air as 3 x 10 m/s.
(1) Explain the term combination reaction with example.
til) Write a short note on magnetic separation method.
(iv) State the rules used for drawing ray diagrams for the
formation of an image by a concave lens.​

Answer 1

Answer:

sorry I don't know sorry Iam really sorry