Human Eye and Vision
Physics ⇒ Light and Optics
Human Eye and Vision starts at 8 and continues till grade 12.
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See sample questions for grade 12
A person can see distant objects clearly but cannot see nearby objects distinctly. Which defect does the person suffer from?
A person with a near point at 50 cm wants to read a book at 25 cm. What power of lens (in diopters) is required to correct his vision?
A person’s far point is 2 m. What type and power of lens is required to correct his vision?
Describe the path of light as it enters the human eye and forms an image on the retina.
Describe the role of the aqueous and vitreous humors in the human eye.
Explain the process of accommodation in the human eye.
Explain why a myopic person cannot see distant objects clearly.
Explain why we do not notice the blind spot in our day-to-day vision.
If the refractive index of the lens material increases, what happens to the focal length of the lens?
Name the part of the eye where the photoreceptor cells are located.
State the function of the rods and cones in the retina.
State the reason for the red color of the human eye in photographs taken with a flash.
Which part of the eye is responsible for the maximum refraction of light entering the eye?
