Question : The type of mirror used in automobiles to see the traffic on the rear side is

Option 1: concave

Option 2: plano-Convex

Option 3: plane

Option 4: convex

Question : The type of mirrors used in the headlamp of cars is:

Option 1: parabolic concave

Option 2: plane

Option 3: spherical convex

Option 4: cylindrical concave

Question : A rearview mirror for driving is:

Option 1: plain

Option 2: concave

Option 3: convex

Option 4: inverted

Question : A person suffering from long-sightedness wears spectacles having:

Option 1: concave-convex lens

Option 2: lenses with negative

Option 3: concave lenses

Option 4: convex lenses

Question : Myopia is a disease connected with

Option 1: Lungs

Option 2: Brain

Option 3: Ears

Option 4: Eyes