Assertion & Reason

MCQ 11 Mark

Assertion : When both the strips of electroscope is charged with similar charge, they repel each other and become wide open.
Reason : Like charges always repel each other.

✓
Both assertion and reason are true and the reason is the correct explanation of the assertion.
B
Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
C
The assertion is true, but the reason is false.
D
The assertion is false, but the reason is true.

Answer

Correct option: A.

Both assertion and reason are true and the reason is the correct explanation of the assertion.

Both assertion and reason are true and the reason is the correct explanation of the assertion

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MCQ 21 Mark

Assertion : A current carrying wire should be charged.
Reason : The current in a wire is due to flow of free electrons in a definite direction.

A
Both assertion and reason are true and the reason is the correct explanation of the assertion.
B
Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
C
The assertion is true, but the reason is false.
✓
The assertion is false, but the reason is true.

Answer

Correct option: D.

The assertion is false, but the reason is true.

The assertion is false, but the reason is true

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MCQ 31 Mark

Assertion : Insulators do not allow flow of current through them.
Reason : Insulators have no free charge carrier

✓
Both assertion and reason are true and the reason is the correct explanation of the assertion.
B
Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
C
The assertion is true, but the reason is false.
D
The assertion is false, but the reason is true.

Answer

Correct option: A.

Both assertion and reason are true and the reason is the correct explanation of the assertion.

Both assertion and reason are true and the reason is the correct explanation of the assertion

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MCQ 41 Mark

Assertion : Parts of car and bicycle are made iron with chromium coating.
Reason : Chromium does not corrode and resist scratches.

✓
Both assertion and reason are true and the reason is the correct explanation of the assertion.
B
Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
C
The assertion is true, but the reason is false.
D
The assertion is false, but the reason is true.

Answer

Correct option: A.

Both assertion and reason are true and the reason is the correct explanation of the assertion.

Both assertion and reason are true and the reason is the correct explanation of the assertion

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MCQ 51 Mark

Assertion : Charges flow from higher potential to the lower potential.
Reason : Current flows mainly due to flow of electrons.

A
Both assertion and reason are true and the reason is the correct explanation of the assertion.
✓
Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
C
The assertion is true, but the reason is false.
D
The assertion is false, but the reason is true.

Answer

Correct option: B.

Both assertion and reason are true, but the reason is not the correct explanation of the assertion.

Both assertion and reason are true, but the reason is not the correct explanation of the assertion

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MCQ 61 Mark

Consider the statement given below and choose the correct option.
Assertion: It is safer to stand under a tall tree during lightning.
Reason: It will make you the target for lightning.

A
Both assertion and reason are true and reason is the correct explanation of assertion.
B
Both assertion and reason are true and reason is not the correct explanation of assertion.
C
Assertion is true but reason is false.
✓
Assertion is false but reason is true.

Answer

Correct option: D.

Assertion is false but reason is true.

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MCQ 71 Mark

Consider the statement given below and choose the correct option.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.

✓
Both assertion and reason are true and reason is the correct explanation of assertion.
B
Both assertion and reason are true and reason is not the correct explanation of assertion
C
Assertion is true but reason is false.
D
Assertion is false but reason is true.

Answer

Correct option: A.

Both assertion and reason are true and reason is the correct explanation of assertion.

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Science Assertion & Reason

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