Can I Believe My Eyes Review

What is the primary function of the human eye?

• To detect light and convert it into electro-chemical impulses

• To produce tears and maintain eye moisture

• To protect the eye from foreign particles

• To regulate the amount of light entering the eye

Which part of the eye is responsible for focusing light onto the retina?

• Cornea

• Lens

• Iris

• Pupil

What is the role of rods in the human eye?

• Detect color

• Detect light intensity

• Focus light

• Protect the eye

Which phenomenon explains why we see a rainbow?

• Reflection

• Refraction

• Diffraction

• Absorption

What is the term for the minimum amount of light needed for the human eye to detect an object?

• Luminous flux

• Luminous intensity

• Threshold of vision

• Visual acuity

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Which part of the eye adjusts the size of the pupil?

• Cornea

• Lens

• Iris

• Retina

What is the scientific term for nearsightedness?

• Hyperopia

• Myopia

• Astigmatism

• Presbyopia

Which experiment can demonstrate the wave nature of light?

• Double-slit experiment

• Photoelectric effect

• Coulomb's law

• Newton's rings

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What is the main cause of color blindness?

• Deficiency in cone cells

• Deficiency in rod cells

• Defective lens

• Defective cornea

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Which law explains the bending of light when it passes from one medium to another?

• Snell's Law

• Newton's Law

• Hooke's Law

• Ohm's Law

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