9th Class Physics 3rd Quarter Book Paper

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

1. Central part of atom is called:
   1. proton
   2. electron
   3. nucleus
   4. neutron
2. When studying how air conditioners cool your house, then it is.
   1. Thermodynamic
   2. Electromagnetism
   3. Nuclear Physics
   4. Optics
3. When a gas is heated, it may change:
   1. Volume
   2. Pressure
   3. Both a & b
   4. Color
4. Earth magnetic field resemble with the field of:
   1. magnet
   2. bar magnet
   3. moon
   4. sun
5. Computational physics combine are:
   1. physics
   2. computer science
   3. mathematics
   4. all of these
6. Molecules in motion. When temperature is:
   1. Low
   2. High
   3. Constant
   4. None of these
7. The direction of magnetic field can be found:
   1. left hand rule
   2. right hand rule
   3. complete hand
   4. none of these
8. The branch of Physics that deals with the particles such as neutrons and protons.
   1. Solid State Physics
   2. Plasma Physics
   3. Electricity
   4. Nuclear Physics
9. Ionic state of matter is called:
   1. Gas
   2. Plasma
   3. Liquid
   4. None of these
10. Proton consist of charge:
    1. positive
    2. negative
    3. zero
    4. all of these
11. The knowledge gain through observation and experimentation is called:
    1. physics
    2. science
    3. technology
    4. all of these
12. Which material is used in thermometer?
    1. Mercury
    2. Water
    3. Milk
    4. All of these