An electron and a positron, which are two massive particles, can annihilate when they come together to produce two photons, which have no mass. According to special relativity, this pair annihilation is an example of __________
Fill in the blank(s) with correct word
the equivalence of mass and energy
You might also like to view...
A container of negligible heat capacity has in it 456 g of ice at -25.0°C. Heat is supplied to the container at the rate of 1000 J/min
After how long will the ice start to melt, assuming all of the ice has the same temperature? The specific heat of ice is 2090 J/(kg K) and the latent heat of fusion of water is 33.5 × 104 J/kg.
If the Earth rotated on its axis more slowly than it does now:
A) its months would be longer B) its years would be shorter C) its days would be shorter D) its days would be longer E) its months would be shorter
The Bohr model of the atom states
A. electrons can have any orbit about the nucleus B. electrons are contained in the nucleus C. electrons are uniformly distributed throughout the atom D. electrons can orbit the nucleus only in certain stable orbits
What is the radius of curvature of the path of a 3.0-keV proton in a perpendicular magnetic field of magnitude 0.80 T?
a. 9.9 mm b. 1.1 cm c. 1.3 cm d. 1.4 cm e. 7.6 mm