"Comprehensive MBA Notes – Well-Structured, Exam-Focused & Easy to Grasp"

Class X




“Next Year Questions”




Human Eye and the
Colorful World
PRASHANT KIRAD

, PRASHANT KIRAD




Q1.Which of the following phenomena of light are involved in the formation of
a rainbow?
(a) Reflection, refraction and dispersion
(b) Refraction, dispersion and total internal reflection
(c) Refraction, dispersion and total internal reflection
(d) Dispersion, scattering and total internal reflection

Q2. When white light enters a glass prism from the air, the angle of deviation is
least for
(a) blue light
(b) yellow light
(c) violet light
(d) red light

Q3. A person sees an object closer to his eyes. What changes will take place in
his eyes?
(a) the pupil size will expand
(b) the ciliary muscles will contract
(c) the focal length of the eye lens will increase
(d) the light entering the eye will be more

Q4.Which of the following conditions is caused by the clouding of the lens in
the eye?
A) Myopia
B) Astigmatism
C) Glaucoma
D) Cataract

Q5. Which of the following structures in the eye is responsible for changing
the shape of the lens to focus light onto the retina?
A) Pupil
B) Cornea
C) Iris
D) Ciliary muscle

Q6.(a) List the parts of the human eye that control the amount of light
entering into it. Explain how they perform this function?
(b) Write the function of retina in human eye.