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. In monochromatic red light a blue book will probably appear to be_________________?
  1. black
  2. purple
  3. green
  4. no scientific reasoning available
Question. An alternating current or voltage_____________________?
  1. fluctuates off and on
  2. varies in magnitude alone
  3. changes its direction again and again
  4. changes its magnitude harmonically and reverses its direction of flow after regularly recurring intervals
Question. ________________ cells converts solar energy into electrical energy?
  1. rotory
  2. photovoltaic
  3. galvanic
  4. non of these
Question. Silence zone takes place due to____________________?
  1. constructive interference
  2. destructive interference
  3. beats
  4. resonance
Question. Specific resistance of a wire____________________?
  1. will depend on its length
  2. will depend on its radius
  3. will depend on the type of material of the wire
  4. will depend on none of the above
Question. A body can have constant velocity when it follows a_____________?
  1. Elliptical path
  2. Circular path
  3. Parabolic path
  4. Rectilinear path
Question. In hydrogen spectrum which one of the following series lies in the ultraviolet region ?
  1. Balmer series
  2. Pfund series
  3. Bracket series
  4. Lymann series
Question. Dimension of pressure is__________________?
  1. MLT
  2. ML-1T-1
  3. ML-1T-2
  4. ML-2T-2
Question. A photon of wavelength 900nm behaves like a particle of mass______________?
  1. 5.53 x 10-36kg
  2. 0 kg.
  3. 2.46 x 10-36kg
  4. 1.84 x 10-44kg
Question. The path of alpha particle is_______________?
  1. Rectilinear
  2. Curved
  3. Zig-zag or erratic
  4. Elliptical
Question. Rest mass of a photon is________________?
  1. infinite
  2. zero
  3. very small
  4. 1.67 x 10-27 kg
Question. The frequency of the second pendulum is________________?
  1. 1 hertz
  2. 0.5 hertz
  3. 1.5 hertz
  4. 2.5 hertz
Question. Holes can exist in____________________?
  1. Conductors
  2. Insulators
  3. Semi conductors
  4. All of the above