Welcome to the Quiz!

This quiz contains 8 questions from a mix of 1 subtopics.

What allows us to see non-luminous objects?

our eyes generate light to illuminate the objects

the objects emit light rays directly into our eyes

light rays from luminous objects reflect off the non-luminous objects and enter our eyes

non-luminous objects produce their own light

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What happens to the image formed inside a pinhole camera?

the image is upside down

the image is upright

no image is formed

the image is blurry

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Which part of the eye provides the main focusing?

iris

retina

cornea

lens

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What type of lens converges light rays?

flat lens

bifocal lens

concave lens

convex lens

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What is the term for the light-sensitive part of the eye where images are formed?

retina

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What is the part of the eye that controls the amount of light entering it?

iris

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Explain how a pinhole camera forms an image.

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Describe the process of how light allows us to see objects.

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3