GK Quiz 87: Physics Quiz for SSC and other exams

General Awareness Quiz – Physics

General Awareness Quiz Set 87 for SSC CGL, SSC CHSL and Railways exams. Physics Quiz for SSC CGL, SSC CHSL, Railways etc.

Topic: General Science- Physics

  1. The wave theory of light can explain
    (A) compton effect

    (B) photoelectric effect
    (C) black body spectrum
    (D) interference of light
    View answer
      Option B.
    Explanation: Interference of Light.
  2. 1 amu is equivalent to
    (A) 1 eV

    (B) 931 eV
    (C) 931 KeV
    (D) 931 MeV
    View answer
      Option D.
    Explanation: 931 MeV.
  3. A metal-semiconductor junction diode is called _______
    (A) Schottky diode

    (B) Photo diode
    (C) Tunnel diode
    (D) P-N Juction diode
    View answer
    Option A.
    Explanation: Schottky diode.
  4. In a magnetic field, the direction of motion of a current carrying conductor is given by
    (A) Maxwell’s right hand rule
    (B) Lenz’s rule
    (C) Flemings left hand rule
    (D) Kirchoff’s law
    View answer
    Option C.
    Flemings Left Hand Rule.
  5. Sound waves do not show the phenomenon of
    (A) refraction

    (B) interference
    (C) diffraction
    (D) polarisation
    View answer
    Option D.
  6. The alluminating powers of two sources are compared by
    (A) a spectrometer

    (B) a photometer
    (C) a polarimeter
    (D) a fluxmeter
    View answer
      Option B.
    Explanation: Photometer.
  7. The refractive index of a transparent medium is maximum for
    (A) red light

    (B) violet light
    (C) yellow light
    (D) green light
    View answer
    Option B.
    Violet Light.
  8. Which of the following characteristics of light remains unchanged when light travels from vaccum enters water
    (A) speed

    (B) amplitude
    (C) frequency
    (D) wavelength
    View answer
      Option C.
    Explanation: Frequency .
  9. The lift of an aeroplane is caused by
    (A) Law of gravitation

    (B) Theorem of continuity
    (C) Pascal’s law
    (D) Bernoulli’s theorem
    View answer
      Option D.
    Explanation: Bernoulli’s Theorem.
  10. The velocity of falling rain drops attains a terminal value because of
    (A) surface tension

    (B) air current
    (C) upward thrust due to air
    (D) viscous force exerted by air
    View answer
      Option D.
    viscous force exerted by air.

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