Mass-Energy Equivalence
Physics ⇒ Modern Physics
Mass-Energy Equivalence starts at 11 and continues till grade 12.
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See sample questions for grade 11
A 1 kg object is completely converted into energy. How much energy is produced? (c = 3.0 × 108 m/s)
A certain reaction releases 4.5 × 1012 J of energy. What is the corresponding loss in mass? (c = 3.0 × 108 m/s)
A nuclear reaction converts 0.01 kg of mass into energy. Calculate the energy released. (c = 3.0 × 108 m/s)
A nuclear reaction results in a mass loss of 2 × 10-3 kg. Calculate the energy released. (c = 3.0 × 108 m/s)
A particle has a rest mass of 1.5 × 10-27 kg. What is its rest energy? (c = 3.0 × 108 m/s)
A photon has zero rest mass. Does it have energy? Explain.
Calculate the mass equivalent of 2.7 × 1013 J of energy. (c = 3.0 × 108 m/s)
Describe a real-world application of mass-energy equivalence.
Describe how mass-energy equivalence is important in understanding the energy output of the Sun.
Describe the relationship between mass defect and binding energy in a nucleus.
Explain how mass-energy equivalence is demonstrated in particle-antiparticle annihilation.
Explain why nuclear reactions release much more energy than chemical reactions, using the concept of mass-energy equivalence.
Explain why the speed of light is squared in the mass-energy equivalence equation.
If 2 kg of mass is completely converted into energy, how much energy is produced? (Use c = 3.0 × 108 m/s)
If a nuclear bomb converts 0.5 kg of mass into energy, how much energy is released? (c = 3.0 × 108 m/s)
In the equation E = mc2, what does 'c' represent?
What is the formula for mass-energy equivalence?
Who first proposed the mass-energy equivalence principle?
