Physics - Human Eye

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6. Choose the correct alternative which matches second and third column with first column.

 Column-I Column-II Column-III
 Thickening of     eye lens Focal length increases Ciliary muscles contract
 Thining of eye   lens Focal length decreases Ciliary muscles elongate

(NTSE Maharashtra, Stage-I, 2015-16)

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7. A human being has a horizontal field of view of about ________ with one eye and of about _________ with both eyes. (NTSE Madhya Pradesh, Stage-I, 2016-17)

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8. Splitting of white light into its component is called (NTSE Chandigarh, Stage-I, 2016-17)

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9. At the traffic signals, red light is used for stop due to the reason that it can be seen from a distance. The phenomenon involved is known as (NTSE Chandigarh, Stage-I, 2015-16)

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10. Most of the refraction takes place at ___ when light enter the eye. (NTSE Haryana, Stage-I, 2015-16)

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