Physics
It is easier to roll a stone up a sloping road than to lift it vertical upwards because

Work done in lifting the stone is equal to rolling it.
Work done in both is same but the rate of doing work is less in rolling.
Work done in rolling is more than in lifting.
Work done in rolling a stone is less than in lifting it.

ANSWER DOWNLOAD EXAMIANS APP

Physics
What is a neuron ?

Basic unit of nervous system
The anti-particle of neutron
Basic unit of energy
Particle released during radioactivity

ANSWER DOWNLOAD EXAMIANS APP