Quiz for Mass-energy relation

Q1: Who proposed the mass-energy equivalence principle?

A. Newton B. Einstein C. Bohr D. Rutherford

Q2: The famous equation for mass-energy equivalence is:

A. E=mc B. E=mc^2 C. E=mv^2 D. E=pc

Q3: In E=mc², c represents:

A. Speed of sound B. Speed of light C. Acceleration due to gravity D. Charge of electron

Q4: According to mass-energy equivalence, mass can be converted into:

A. Energy B. Force C. Power D. Momentum

Q5: Which of the following shows energy produced in nuclear reactions?

A. Large mass change B. Small mass change C. No mass change D. Mass increase

Q6: The mass defect in a nucleus is:

A. Mass of protons + neutrons B. Difference between constituent nucleons mass and nucleus mass C. Mass of electrons D. Sum of electron and neutron mass

Q7: Energy equivalent of mass defect is called:

A. Binding energy B. Kinetic energy C. Potential energy D. Heat energy

Q8: Binding energy per nucleon measures:

A. Nuclear stability B. Chemical energy C. Mass defect D. Radioactivity

Q9: If mass defect is zero, the nucleus is:

A. Stable B. Unstable C. Radioactive D. Fissionable

Q10: The energy released when a nucleus forms from nucleons is due to:

A. Mass defect B. Temperature C. Pressure D. Momentum

Q11: The unit of mass defect is:

A. Kilogram B. Atomic mass unit (u) C. Meter D. Joule

Q12: 1 atomic mass unit (u) is approximately equal to how much energy in MeV?

A. 931 MeV B. 1 MeV C. 0.931 MeV D. 100 MeV

Q13: The energy released in nuclear fission comes from:

A. Mass converted to energy B. Chemical reactions C. Friction D. Heat

Q14: Mass-energy equivalence explains:

A. Energy released in nuclear reactions B. Chemical bonding C. Electric circuits D. Mechanical energy

Q15: Mass defect is usually:

A. Positive B. Negative C. Zero D. Infinity

Q16: In nuclear reactions, mass is:

A. Not conserved B. Always conserved C. Converted to energy D. Both A and C

Q17: If the mass defect increases, the binding energy:

A. Increases B. Decreases C. Remains same D. Zero

Q18: Einstein’s equation relates mass to energy via:

A. Square of speed of light B. Speed of light C. Acceleration D. Force

Q19: Which process illustrates mass-energy conversion?

A. Nuclear fusion B. Boiling water C. Electrolysis D. Magnetism

Q20: Mass-energy equivalence principle is a part of:

A. Special relativity B. Classical mechanics C. Quantum mechanics D. Thermodynamics