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Acceleration

Assertion : A...

Question

Assertion : A positive acceleration of a body can be associated with a ‘slowing down’ of the body.
Reason : Acceleration is a vector quantity.

If both assertion and reason are true and the reason is the correct explanation of the assertion.

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If both assertion and reason are true but reason is not the correct explanation of the assertion.

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If assertion is true but reason is false.

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If the assertion and reason both are false.

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If assertion is false but reason is true.

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Solution

The correct option is B If both assertion and reason are true but reason is not the correct explanation of the assertion.
A body having positive acceleration can be associated with slowing down, as time rate of change of velocity decreases, but velocity increases with time, from graph it is clear that slope with time axis decreases, but velocity increases with time

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Read the assertion and reason carefully to mark the correct option out of the options given below :

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(d) If the assertion and reason both are false.

(e) If assertion is false but reason is true.

Assertion: Acetic acid does not undergo haloform reaction.

Reason: Acetic acid has no alpha hydrogens.

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