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An air bubble in a water tank rises from...

An air bubble in a water tank rises from the bottom to the top. Which of the following statements are true?

A

Bubble rises upwards because pressure at the bottom is less than that at the top.

B

Bubble rises upwards because pressure at the bottom is greater than that at the top.

C

As the bubble rises, its size increases.

D

As the bubble rises, its size decreases.

Text Solution

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The correct Answer is:
B, C
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Knowledge Check

  • An air bubble in water will act like a

    A
    convex mirror
    B
    convex lens
    C
    concave mirror
    D
    concave lens

  • Air bubble in water behaves as

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

  • Air bubble in water behaves as a

    A
    divergent lens
    B
    convergent lens
    C
    plane glass
    D
    none of these

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