Assertion: If a dielectric is placed in external field then field inside dielectric will be less than applied field.
Reason: Electric field will induce dipole moment opposite to field direction.

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

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

If assertion is true but reason is false.

If both assertion and reason are false.

Solution

If assertion is true but reason is false.

Dipole moment will be in the same direction as the external field. The collective effect of dipole moments produces a field that opposes the external field and hence, the net electric field inside the dielectric is less than the external electric field.

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