Choose the correct alternative from the following : - Assertion (A) : We prefer to wear white clothes in winter. Reason (R) : White clothes are good reflectors of heat.
Choose the correct alternative from the following : - Assertion (A) : Uranium undergoes nuclear fusion reaction. Reason (R) : It has a big, unstable nucleus.
Choose the correct alternative from the following : - Assertion (A) : An atom is neutral despite the charged particles in it. Reason (R) : The neutrons do not have any charge.