Pinhole science quiz

A pinhole camera works on the principle of _________ .

• Rectilinear propagation of light

• Light travels in a curved path

• Light travels in a circular motion

Image obtained in a pinhole camera is always

• straight

• sideways

• inverted

• opposite

Which one of them is a part of the pinhole camera?

• lens

• candle

• cardboard

• translucent paper

A pinhole camera does not require any focussing like modern-day camera

• true

• false

Identify The instrument given above

• Pinhole camera

• Telescope

• Microscope

What kind of lens is used in making a pinhole camera?

• concave lens

• convex lens

• concavo-convex lens

• no lens is used