GENERAL KNOWLEDGE

GK

NUCLEAR SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
As compare to proton, mass of neutron is
A
0.1 % greater
B
1 % greater
C
5 % greater
D
10 % greater
Explanation: 

Detailed explanation-1: -The neutron is very slightly heavier than the proton, by about 0.1%, or 1.00137841887 according to the best measurements.

Detailed explanation-2: -proton, stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 × 10−27 kg, which is 1, 836 times the mass of an electron.

Detailed explanation-3: -Neutron has a mass of 1.675 x 10-27 g which is nearly equal to the mass of a proton.

Detailed explanation-4: -Since protons are about 99.86% as massive as neutrons and electrons are about 0.054% as massive as neutrons. The relative mass of each particle of an atom is in kilograms. So, the relative mass of a neutron is 1.

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