Question 1 :
State TRUE or FALSE: A person with myopia can see nearby objects clearly
Question 2 :
A person needs a lens of power -4.5 D for correction of her vision. What kind of defect in vision is she suffering from?
Question 3 :
What is the approximate time of advanced sunrise and delayed sunset?
Question 4 :
A person with myopia cannot see nearby objects clearly but can see distant objects distinctly. State whether the statement is true or false.
Question 5 :
Why is there a difference in colours of the Sun observed during sunrise / sunset and noon?
Question 7 :
State TRUE or FALSE: A person with myopia can see distant objects clearly
Question 8 :
Hypermetropia is generally caused in the people having higher age. State whether the statement is true or false.
Question 9 :
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In the above figure, the incident ray is
Question 10 :
A person needs a lens of power -4.5 D for correction of her vision. What is the focal length of the corrective lens?
Question 11 :
Mention the action of the iris over the pupil when we enter from a bright light to a dim light.
Question 13 :
Scattering of light can happen in the absence of atmosphere. TRUE or FALSE?
Question 16 :
A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?
Question 17 :
Is the position of a star as seen by us its true position?
Question 18 :
The change in focal length of an eye lens is caused by the action of the
Question 19 :
The sky appears ______ to those who travel at high altitudes.
Question 20 :
What is the far point and near point of the human eye with normal vision?