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Statement-1: A light celluloid ball plac...

Statement-1: A light celluloid ball placed in a stream of gas or water issuing at a high velocity from a tube with a narrow neck, the ball floats freely however in this stream (fig)

Statement-2: The gas is the stream has a high velocity, the pressure inside the stream is above atmospheric.

A

Statement-I is true, statement-2 true and statements-2 is a correct explanation for statements-1

B

Statement 1 is true, statement 2 is true, statement-2 is not a correct explanation for statement 1

C

Statement 1 is true, statement 2 is false

D

Statement 1 is false, statement 2 is true

Text Solution

Verified by Experts

The correct Answer is:
C
Bernoullis principle.
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Knowledge Check

  • Statement-1: As wind flows left to right and a ball is spined as shown, there will be a lift of the ball. Statement-2: Decrease in velocity of air below the ball, increases the pressure more than that above the ball.

    A
    Statement-1, is true, Statement-2 is true, Statement-2 is correct explanation for statement-1
    B
    Statement-1 is true, statement-2 is true, statement-2 is NOT a correct explantion for statement-1
    C
    statement-1 is true, statement-2 is false
    D
    statement-1 is false statement-2 is true

  • Statement -1: When a gas at high pressure expands against vaccum, the magnitude of work done is maximum. Statement -2: Work done in expansion deends upon the pressure inside the gas and increase in volume.

    A
    Statement-1 is True, Statement -2 is True, Statement-2 is a correct explanation for Statement-1.
    B
    Statement -1 is True ,Starement -2 is True ,Statement-2 is not a correct explanation for Statement-1
    C
    Statement-1 is True ,Statement-2 is False.
    D
    Statement-1 is False ,Statement-2 is True.

  • Statement-1: The stream of water emerging from a wate tap "necks down" as it falls. Statement-2: The volume flow rate at different levels is same.

    A
    Statement-1, is true, Statement-2 is true, Statement-2 is correct explanation for statement-1
    B
    Statement-1 is true, statement-2 is true, statement-2 is NOT a correct explantion for statement-1
    C
    statement-1 is true, statement-2 is false
    D
    statement-1 is false statement-2 is true
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