|MCAT ECAT College Admission Test MCQs|
These Objective Type MCQs are important For PPSC, CSS, PMS, FPSC, NTS, OTS, STS and others Jobs tests and Public Service Commission tests in all over the Pakistan and India. Many of the Competitive exams included Physics Related Question Answers In PPSC, FPSC, BPSC, KPPSC, AJKPSC and SPSC Jobs Tests.
Public Service Commission MCQs Quiz Test
Most Repeated Objective Type Solved Physics MCQs
Q.1: We can produce heat by--------- ?
- Frictional process
- Chemical processes
- Electrical processes
- All of the above
Q.2: If the volume of a gas is held constant and we increase its temperature then-------- ?
- its pressure is constant
- its pressure rises
- its pressure falls
- any of above
Q.3: According to Pascals law the pressure of gas in a vessel is--------- ?
- Different in different direction
- Same in all direction
- Same only along opposite directions
- Same only along normal directions
Q.4: For a gas obeying Boyles law if the pressure is doubled the volume becomes---------- ?
- one half
- four times
- one fourth
Q.5: Adiabatic process is also called----------- ?
- Heat exchange process
- Heating process
- Isentropic process
- All of the above
Q.6: The value of γ for diatomic gas is---------- ?
- γ = 1.3
Q.7: Maximum number of rectangular components are--------- ?
Q.8: The cross product i^ x j^ is equal to-------- ?
Q.9: In which quadrant the two rectangular components of a vector have same sign ?
- Both 1st and 3rd
Q.10: Torque acting on a body determines------- ?
- Linear acceleration
- Angular acceleration
- Direction of motion of the body
Q.11: For chain reaction to build up the size of the radioactive target should be-------- ?
- Greater than the critical size
- Less than the critical size
- Equal to the critical size
- All of above can build up a change reaction
Q.12: The energy liberated when one atom of U-235 undergoes fission reaction is----------- ?
Q.13: The fission chain reaction in a nuclear reactor can be controlled by introducing ---------- ?
- Iron rods
- Graphite rods
- Cadmium rods
- Platinum rods
Q.14: A mass spectrograph (spectrometer) sorts out--------- ?
Q.15: Zero error of the instrument is a type of--------- ?
- Random error
- Personal error
- Systematic error
- Classified error
Q.16: A hoop and disc have same mass and radius. Their rotational K.E are related by an equation---------- ?
- K.E hoop = K.E disc
- K.E hoop = 2K.E disc
- K.E hoop = 1/2K.E disc
- K.E hoop = 4K.E disc
Q.17: The circumference subtends an angle------------- ?
- π radian
- 2π radian
- π/2 radian
- 4π radian
Q.18: The span of the broad jump depends upon-------- ?
- Mass of the jumper
- Height of jump
- Angle of projection
Q.19: A cyclist cycling around a circular racing track skids because------- ?
- the centripetal force upon him is less than limiting friction
- the centripetal force upon him is greater than limiting friction
- the centripetal force upon him is equal to the limiting friction
- the friction between the tyres of the cycle and road vanishes
Q.20: Who discovered the inverse square law for gravity ?