# 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
Option B.
Explanation: Interference of Light.
2. 1 amu is equivalent to
(A) 1 eV

(B) 931 eV
(C) 931 KeV
(D) 931 MeV
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
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
Option C.
Explanation:
Flemings Left Hand Rule.
5. Sound waves do not show the phenomenon of
(A) refraction

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

(B) a photometer
(C) a polarimeter
(D) a fluxmeter
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
Option B.
Explanation:
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
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
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