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 : Which mirror is used by doctors for examining eyes, ears, nose, and throat?

Option 1: Concave mirror

Option 2: Convex mirror

Option 3: Normal mirror

Option 4: Plane mirror

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 : Directions: Arrange the following words as per order in the dictionary.
1. Billian
2. Bifurcate
3. Bilateral
4. Bilirubin

Option 1: 2, 1, 3, 4

Option 2: 4, 3, 2, 1

Option 3: 2, 3, 4, 1

Option 4: 2, 3, 1, 4