The mass defect is the result of what action occurring?
A. Mass being converted to energy when protons and neutrons bind together in a nucleus
B. Protons and electrons being attracted to each other
C. Energy being converted into moles of atoms when neutrons break apart protons
D. Mass being converted to energy when protons and neutrons break apart in a nucleus
Answer: Option A
Solution(By Examveda Team)The concept of mass defect comes from the concept of nuclear binding energy, which is the energy required to disassemble the nucleus of an atom into its components. The components are protons and neutrons. Energy is applied to break the nucleus.
A. Latent heat
B. Nuclear fusion
C. Refractive index
D. Stock value
A. Collision between fast neutrons and nitrogen nuclei present in the atmosphere.
B. Action of ultraviolet light from the sun on atmospheric oxygen.
C. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere.
D. Lightning discharge in atmosphere.
A. Work done in rolling is more than in lifting.
B. Work done in lifting the stone is equal to rolling it.
C. Work done in both is same but the rate of doing work is less in rolling.
D. Work done in rolling a stone is less than in lifting it.