General Science - Physics MCQs
Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examinations.
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31. Why a small liquid drop is in spherical shape?
32. Which is the effect of increase in impurities on the surface tension of the liquid?
33. What is Reynolds number?
34. What is the phase of a vibrating particle at t = 0 known as?
35. By what phase angle the velocity is ahead of displacement in S.H.M?
36. What do we call a motion which repeat itself over and over again after a regular interval of time?
37. What kinds of waves are the ultrasonic waves in air produced by a vibrating quartz crystal?
38. What is the wavelength range of Radio waves?
39. What is the relationship between the velocity of sound and the pressure of gas when the temperature remains constant?
40. Which of the following is correct about a Sound wave?