Physics GK Questions

I have prepared Physics GK Questions for competitive exam blog to increase your Physics General Knowledge level as well as increase your confidence level for competitive exams.

Here, I am providing Physics GK Questions for those learners who are preparing for SSC and any other types of Competitive Exams. In this post, I have updated the most important questions answers around the Physics GK with latest Physics General Knowledge Questions and answers about many topics covered.

Physics GK Questions

Q.1 Lux is the SI unit of

(A) intensity of illumination

(B) luminous efficiency

(C) luminous flux

(D) luminous intensity

Q.2 On a rainy day, small oil films on water show brilliant colours. This is due to

(A) dispersion

(B) interference

(C) diffraction

(D) polarization

Q.3 Point A is at a lower electrical potential than point B. An electron between them on the line joining them will

(A) move towards A

(B) move towards B

(C) move at right angles to the line joining A and B

(D) remain at rest

Q.4 Materials for rain-proof coats and tents owe their water-proof properties to

(A) surface tension

(B) viscosity

(C) specific gravity

(D) elasticity

Q.5 RADAR is used for

(A) locating submerged submarines

(B) receiving a signals in a radio receiver

(C) locating geostationary satellites

(D) detecting and locating the position of objects such as aeroplanes

Q.6 Sound of frequency below 20 Hz is called

(A) audio sounds

(B) infrasonic

(C) ultrasonic

(D) supersonics

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