Q1.To read small letters in a dictionary, which type of lens would be most suitable?

Q2.To obtain an erect image using a concave mirror of focal length 15 cm, what should be the range of the object's distance from the mirror?

Q3.Which type of mirror is typically used in the headlights of a car?

Q4.What type of mirror is used as a side/rear-view mirror in a vehicle?

Q5.Which type of mirror is employed in a solar furnace to concentrate sunlight?

Q6.What does a magnification of +1 produced by a plane mirror signify about the image?

Q7.A lens with a power of – 2.0 D is classified as which type of lens?

Q8.A corrective lens prescribed by a doctor has a power of +1.5 D. Is this lens diverging or converging?

Q9.On which light-sensitive screen does the lens system of the human eye form an image?

Q10.Through which thin membrane does light first enter the human eye?