Question

Assertion: Vehicle carrying highly inflammable materials have hanging chains, slightly touching the ground.
Reason: The body of a vehicle gets charged when moving through air at high speed.
A. if both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
B. If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.
C. if Assertion is true, but the Reason is false.
D. if both Assertion and Reason are false

Answer 1

Correct Answer - a
It is true that body of vehicle is charged, when the vehivle is moving through air at high speed Because of it, the vehicles, which are carrying highly inflammable material, have hanging chains, which touch slightly the ground. This chain trandfers the charge to the ground (earth). Hence there is no harm to the vehicle.