MCQs4All - Physics Collection

Physics MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed Test of past papers

Question. All electrical appliances are connected in parallel to each other between the main line and neutral wire to get ______________________?
  1. same current
  2. same current and potential difference
  3. different current but same potential difference
  4. different current and potential differences
Question. Two parallel wires carrying currents in the opposite directions____________________?
  1. repel each other
  2. attract each other
  3. have no effect upon each other
  4. they cancel out their individual magnetic fields
Question. The instrument used to measure blood pressure is called____________?
  1. Venturimeter
  2. Blood pressure
  3. Sphygmomanometer
  4. Sonometer
Question. The curie temperature is that at which ____________________?
  1. Semi-conductor becomes conductors
  2. Ferromagnetic becomes paramagnetic
  3. Paramagnetic becomes diamagnetic
  4. Metals become super conductor
Question. A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?
  1. F=1/B
  2. F=1/Bsinθ
  3. F/0
  4. F=1/Bcosθ
Question. Which equation is not dimensionally correct ?
  1. E=mc2
  2. Vf=Vi+at
  3. S=Vt2
  4. S=1/2at2
Question. A wire of uniform area of cross-section A length L and resistance R is cut into two parts. Resistivity of each part _________________?
  1. remains the same
  2. is doubled
  3. is halved
  4. becomes zero
Question. The direction of a vector in space is specified by_______________?
  1. One angle
  2. Two angle
  3. Three angle
  4. No angle
Question. A field in which the work done in a moving a body along closed path is zero is called________________?
  1. electric field
  2. conservative field
  3. electromagnetic field
  4. gravitational field
Question. Boyles law helds for ideal gases in________________?
  1. isochoric processes
  2. isobaric processes
  3. isothermal processes
  4. adiabatic processes
Question. Very weak magnetic fields are detected by___________________?
  1. Squids
  2. Magnetic resonance imaging (MRI)
  3. Magnetometer
  4. Oscilloscope
Question. The relationship between Tesla and smaller unit Gauss of magnetic induction is given by_________________?
  1. 1T = 103 G
  2. 1T = 10-4 G
  3. 1T = 10-2 G
  4. 1T = 104 G
Question. Terminal velocity is given by equation_______________?
  1. Vt = gr2ρ
  2. Vt = 2gr2/9ρ
  3. Vt = gr2/9ρ
  4. Vt = 9gr2/2ρ