Multiple Choice
The two basic interactions that have finite ranges are:
A) electromagnetic and gravitational
B) electromagnetic and strong
C) electromagnetic and weak
D) gravitational and weak
E) weak and strong
Correct Answer:

Verified
Correct Answer:
Verified
Q40: Objects in the universe are receding from
Q41: If dark matter did not exist it
Q42: Which of the following particles is stable?<br>A)Neutron<br>B)Proton<br>C)Pion<br>D)Muon<br>E)Kaon
Q43: What discovery in 1998 changed our understanding
Q44: Two particles interact to produce only photons,
Q46: The baryon number of a quark is:<br>A)0<br>B)-1/3<br>C)1/3<br>D)2/3<br>E)1
Q47: The mass of the W boson is
Q48: Quarks are the constituents of:<br>A)all particles<br>B)all leptons<br>C)all
Q49: A baryon is a combination of:<br>A)three quarks<br>B)two
Q50: Hubble's law is evidence that:<br>A)the speed of