PYQ Vault

Day 82: CBSE Class 10 Science

5 questions. Try each one first, then open its answer.

  1. Question 1

    The Human Eye and the Colourful World. Asked once: 2026 (same type asked 4 times)

    34 (B)
    Draw a ray diagram to show the correction of eye defect of an old man who can not see an object placed closer than 1 m from his eye, clearly.

  2. Question 2

    The Human Eye and the Colourful World. Asked once: 2026 (same type asked 4 times)

    Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the options given below.
    32
    Assertion (A) : When rays of white light pass through a prism, on emerging they give spectrum of seven colours. Reason (R) : It is due to the scattering of light that red light bends minimum and violet light bends the maximum.

    Tap an option to check your answer.

  3. Question 3

    The Human Eye and the Colourful World. Asked once: 2026 (same type asked 4 times)

    34 (a)
    What happens when light is scattered from (i) very fine particles and (ii) very large size particles of medium ? Justify your answer in each case.

  4. Question 4

    The Human Eye and the Colourful World. Asked once: 2026 (same type asked 4 times)

    31
    When you look at an object very close to your eyes, the :

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  5. Question 5

    Carbon and its Compounds. Asked once: 2024 (same type asked 4 times)

    4
    The structural formula of Cyclohexane is

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