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Uttarakhand Board Class 10 The Human Eye and the Colourful World — practice questions — page 2

Explore 32 free The Human Eye and the Colourful World questions in Uttarakhand Board Class 10 Science. Open each question or exercise to read its content, reference answers and available explanation.

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The Human Eye and the Colourful World questions and exercises with answers

Showing questions 31–32 of 32.

Key in the eye numberRead the answer and worked solution →Which one does NOT belong?Read the answer and worked solution →

Worked practice questions

Key in the eye number

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Questions
  1. Answer
    25
    Question
    For a young adult with normal vision, the near point is about how many cm?
  2. Answer
    7
    Question
    How many colours does the acronym VIBGYOR stand for?
Instructions
Work out each answer and key it in on the pad.
_Source: syllabus Science Ch10 The Human Eye, 10.1 THE HUMAN EYE_

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Which one does NOT belong?

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Questions
  1. Items
    1. Accommodation
    2. Myopia
    3. Hypermetropia
    4. Presbyopia
    Reason
    Accommodation is the normal ability of the eye lens to change focal length. The other three are defects of vision.
    Odd item
    Accommodation
  2. Items
    1. Cornea
    2. Prism
    3. Iris
    4. Retina
    Reason
    A prism is a piece of glass used to disperse light. The other three are parts of the eye.
    Odd item
    Prism
  3. Items
    1. Violet bends most
    2. Red bends least
    3. Red bends most
    4. Green is in the middle
    Reason
    Through a prism the red light bends the least while the violet bends the most, so the last statement is the false one.
    Odd item
    Red bends most
Instructions
Tap the item that does not belong with the rest.
_Source: syllabus Science Ch10 The Human Eye, 10.4 DISPERSION OF WHITE LIGHT BY A GL ASS PRISM_

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