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.
61. What is Reynolds number?
62. What is the S.I unit of frequency?
63. In which of the following positions is the potential energy minimum in S.H.M?
64. What do we call the distance of particle from the mean position at that instant in S.H.M?
65. What is the direction of electric and magnetic fields in an electromagnetic wave?
66. What is the wavelength range of Radio waves?
67. Which of the following waves is produced when inner shell electrons in atoms move from one energy level to a lower level?
68. What do we call the distance between two consecutive compressions of a sound wave?
69. What do we call the magnitude of the maximum disturbance in the medium on either side of the mean value called as?
70. Which of the following are generally used to reduce reverberation in an auditorium as sound absorbents?