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Assertion: Pascal law is the working pri...

Assertion: Pascal law is the working principle of hydraulic lift.
Reason: Pressure `=(thrust)/(area)`

A

Statement I is true, statement II is true and Statement II is a correct explanation for Statement I.

B

Statement I is true, Statement II is true and Statement II is NOT the correct explanation for Statement I.

C

Statement I is true, Statement II is false.

D

Statement I is false, Statement II is true.

Text Solution

Verified by Experts

The correct Answer is:
B
A hydraulic lift is an arrangement used to multiply the force. When a force is applied hydraulic pressure is transmitted in all directions. This is the working principle of Pascal's law.
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Knowledge Check

  • Assertion : Pascal's law is the working principle of a hydraulic lift. Reason : Pressure is thrust per unit area.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion .
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false .

  • Some question (Assertion-Reason type) are given below. Each question contains STATEMENT-1(Assertion) and STATEMENT-2(Reason) . Each question has 4 choices (A),(B),(C ) and (D) out of which ONLY ONE is correct. So select the correct choice : STATEMENT-1 : Pascal's Law is the working principle of a hydraulic lift. STATEMENT-2 : Pressure is equal to thrust acting per unit area.

    A
    Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-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.

  • The principle of operation of a hydraulic lift is

    A
    Boyle's law
    B
    Pascal's law
    C
    Newton's law of gravitation
    D
    Dalton's law of partial pressure