1st Year Physics 4th Quarter Book Paper

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

1. Which particle gives mass to matter according to Higgs?
   1. Photon
   2. Gluon
   3. Higgs boson
   4. Z-boson
2. The first postulate of special relativity states that the laws of physics are same in:
   1. All accelerating frames
   2. All inertial frames
   3. All rotating frames
   4. All gravitational fields
3. The Higgs field gives mass to
   1. all elementary particles
   2. only photons
   3. only electrons
   4. only quarks
4. A frame of reference that is at rest or moving with uniform velocity is called a:
   1. stationary frame
   2. inertial frame
   3. non-inertial frame
   4. rotational frame
5. Which force binds quarks inside hadrons?
   1. Electromagnetic force
   2. Gravitational force
   3. Weak nuclear force
   4. Strong nuclear force
6. Minkowski space combines:
   1. Time with three spatial dimensions
   2. Time with mass
   3. Time with energy
   4. Length with velocity
7. Which particle is exchanged between quarks?
   1. Photon
   2. Gluon
   3. Electron
   4. Neutrino
8. Value of speed of light (c) is approximately:
   1. 3×10² m/s
   2. 3×10⁵ m/s
   3. 3×10⁸ m/s
   4. 3×10¹⁰ m/s
9. According to string theory, forces like electromagnetism arise from
   1. quarks
   2. vibrations of strings
   3. molecules
   4. photons only
10. An inertial frame of reference is the one.
    1. Which is at rest.
    2. Which is moving with a uniform velocity along a straight line.
    3. Which has zero acceleration.
    4. All of these
11. Particles made of quark-antiquark pairs are called:
    1. Baryons
    2. Mesons
    3. Leptons
    4. Bosons
12. Length of a moving object becomes:
    1. Larger
    2. Shorter
    3. Stays the same
    4. Infinite