How many "generations" of electroweak particles are there?
A) three
B) two
C) four
D) six
E) an infinite number
A
You might also like to view...
The oxygen in Earth's atmosphere
a. was manufactured inside stars. b. was added to the atmosphere by plant life. c. has grown more abundant since the origin of Earth. d. was manufactured inside stars, was added to the atmosphere by plant life, and has grown more abundant since the origin of Earth. e. None of the other choices are correct.
A wire of a certain length is carrying a current of 2.0 A. It is placed at an angle of 60° with respect to a magnetic field of strength 0.20 T. If the wire experiences a force of 0.40 N, what is the length of the wire?
A) 1.0 m B) 1.2 m C) 1.4 m D) 1.6 m E) 1.8 m
What is the number of molecules of O2 consumed if you combust one mole of CH4 according to the following balanced equation?
CH4 + 2 O2 ? CO2 + 2 H2O A) 1 molecule B) 2 molecules C) 6.022 × 1023 molecules D) 1.204 × 024 molecules E) 1 g of molecules
What is the focal length of a magnifying glass that produces an angular magnification of 7.0 x when used by a person with a near point at 28 cm?
A) 2.0 cm B) 3.0 cm C) 4.0 cm D) 5.0 cm E) 6.0 cm