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A small object is 2 cm below the concave...

A small object is 2 cm below the concave meniscus of water in a test tube . The radius of the meniscus is 5mm and `mu` for water is `4//3`. Find the nature and position of the image.

Text Solution

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The correct Answer is:
0.75 cm from pole and inside water (virtual image)
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Knowledge Check

  • Water shows concave meniscus in a narrow glass tube. This is because

    A
    adhesive force is stronger than cohesive force.
    B
    adhesive force is weaker than cohesive force.
    C
    cohesive and adhesive forces are equal.
    D
    of the absence of adhesive force.

  • Water shows concave meniscus in a narrow glass tube. This is because.

    A
    adhesive forces is stronger than cohesive force.
    B
    adhesive force is weaker then cohesive forces.
    C
    cohesive forces and adhesive are equal
    D
    of absence of adhesive force.

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    A narrow tube of length l and radius r is sealed at one end. Its open end is brought in contact with the surface of water while the tube is held vertical. The water rises to a height h in the tube. The contact angle of water with the tube wall is theta , density of water is rho and the atmospheric pressure is P_(o) . Find the surface tension of the liquid. Assume that the temperature of air inside the tube remains constant and the volume of the meniscus is negligible.

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