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Statements on contact angle and capillary rise

This type of question, asked 3 times: 29 Jan 2024, 4 Apr 2024, 5 Apr 2024. All 3 questions below, oldest first.

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  1. Question 1

    29 Jan 2024

    3
    Given below are two statements: Statement I: If a capillary tube is immersed first in cold water and then in hot water, the height of capillary rise will be smaller in hot water. Statement II: If a capillary tube is immersed first in cold water and then in hot water, the height of capillary rise will be smaller in cold water. In the light of the above statements, choose the most appropriate from the options given below

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  2. Question 2

    4 Apr 2024

    100
    Given below are two statements: Statement I: The contact angle between a solid and a liquid is a property of the material of the solid and liquid as well. Statement II: The rise of a liquid in a capillary tube does not depend on the inner radius of the tube. In the light of the above statements, choose the correct answer from the options given below:

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  3. Question 3

    5 Apr 2024

    4
    Given below are two statements: Statement-I: When a capillary tube is dipped into a liquid, the liquid neither rises nor falls in the capillary. The contact angle may be 0∘0^{\circ}. Statement-II: The contact angle between a solid and a liquid is a property of the material of the solid and liquid as well: In the light of above statement, choose the correct answer from the options given below.

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