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Inside water, an air bubble behaves …………...

Inside water, an air bubble behaves ………… .

A

like a flat plate

B

like a concave lens

C

like a convex lens

D

like a concave mirror

Text Solution

Verified by Experts

The correct Answer is:
B
like a concave lens
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Knowledge Check

  • A hollow sphere has a small hole. When the sphere is taken to a depth of 0.5 m inside water the air bubbles started coming out from the hole. If the surface tension of water is the radius of the hole is

    A
    `2.8 xx10^(-5)` m
    B
    ` 1.35 xx10^(-5)`m
    C
    `0.67 xx10^(-5)`m
    D
    `0.28 xx10^(-5)`m

  • Air bubble in water behaves as

    A
    sometimes concave, somethimes convex lens
    B
    concavc lens
    C
    convex lens
    D
    always refraction surface

  • The excess of pressure inside a water drop is P_(d) and that inside an air bubble of same radius in water is P_(b) . Which of the following relation is correct ?

    A
    `P_(d)=P_(b)`
    B
    `2P_(d)=P_(b)`
    C
    `P_(d)=2P_(4)`
    D
    none of the above

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    The excess pressure inside a small air bubble of radius 0.05 mm in water of surface tension 70 dyne cm^(-1) (in pascal)

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