Question : The part of the eye having the larger refractive index is:
Option 1: cornea
Option 2: aqueous humor
Option 3: lens
Option 4: vitreous humor
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Correct Answer: lens
Solution : The correct option is the lens.
Refractive Index is defined as the ratio of the speed of light in a vacuum (or air) to the speed of light in the medium. The refractive indices of the cornea, aqueous humor, lens and vitreous humor are 1.376, 1.336,1.413, and 1.336 respectively. The lens bends light rays to form a clear image on the retina. As the lens is elastic, it can change shape, getting fatter to focus on close objects and thinner for distant objects.
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Question : Magnifying glass is basically a
Option 1: plano concave lens
Option 2: concave lens
Option 3: convex lens
Option 4: cylindrical lens
Question : Which of the following is the strongest base in aqueous solution?
Option 1: Diethylamine
Option 2: Triethylamine
Option 3: Ammonia
Option 4: Ethylamine
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3) that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
The sight chosen for the school building is good.
(1) eye-sight
(2) side
(3) site
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Question : Which of the following parts of the Constitution of India gives details of the procedures for its amendments?
Option 1: Part XX
Option 2: Part XI
Option 3: Part XIII
Option 4: Part XV
Question : What is the rank of India in the World Happiness Index 2020?
Option 1: 108
Option 2: 126
Option 3: 144
Option 4: 132
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