Question

Make a diagram to show how hypermetropia is corrected. The near point of
hipermetropic eye is 1 m. What is the power of the lens required to correct the
defect? Assume that the near point of the normal eye is 25 cm.​

Answer 1

Answer:

Corrosion: It is the process in which metals are slowly eaten up by the action of air moisture or chemicals. ... Rancidity: When the substance containing oils and fats are exposed to air they get oxidised and become rancid due to which their smell, taste and colour change.