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. Electrical energy is measured in___________________?
  1. watt
  2. horse power
  3. kilo watt
  4. kilowatt hour
Question. For what displacement the P.E becomes 1/4 of its maximum value ?
  1. x = x’
  2. x = x’/2
  3. x = x’/4
  4. x = x(2)’/2
Question. The projection of the particle moving in a circle with non-uniform speed executes ?
  1. S.H.M
  2. Vibratory motion
  3. Both B and D
  4. None S.H.M
Question. Radioactivity is a ______ (A) Spontaneous activity (B) Chemical property_____________?
  1. A & B
  2. B & C
  3. C & A
  4. A B & C
Question. The ration stress to strain in youngs modulus of the material then tension is__________________?
  1. Directly proportional to extension
  2. Directly proportional to strain
  3. Directly proportional to square of amplitude
  4. Inversely proportional to extension
Question. The distance covered by a body in time t starting from rest is__________________?
  1. at2/2
  2. Vt
  3. a2t/2
  4. at2
Question. In a semiconductors the charge carriers are ___________________?
  1. Holes only
  2. Electrons only
  3. Electron and holes both
  4. All of the above
Question. Forward current through a semi conductor diode circuit is due to____________?
  1. minority carriers
  2. majority carriers
  3. holes
  4. electron
Question. The diameter of an atom is approximately_______________?
  1. 10-12m
  2. 10-11m
  3. 10-10m
  4. 10-14m
Question. Irregular flow of fluid is called_______________?
  1. Streamline
  2. Turbulent
  3. Uniform
  4. Laminar
Question. Stokes law is applicable if body has __________shape?
  1. Rough
  2. Square
  3. Circular
  4. Spherical
Question. The acceleration of a projection on the diameter for a particle moving along a circle is_______________?
  1. w2x
  2. wx2
  3. w2x
  4. wx2
Question. 2nd law of motion gives the definition of________________?
  1. force
  2. acceleration
  3. velocity
  4. both force and acceleration