Assertion :Assertion : Gravitational force is always attractive in nature, while electromagnetic force can be attractive or repulsive. Reason: Reason : Electromagnetic force dominates terrestrial phenomena.

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

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

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If assertion is true but reason is false.

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If both assertion and reason are false.

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Solution

The correct option is C If assertion is true but reason is false.
Gravitational force is always attractive in nature ace. to law of gravitation. But, Electromagnetic force may be attractive or repulsive depends upon nature of current or magnetic field around it.
$E M$ forces doesn't dominate terrestrial phenomenon.

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