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"Electric and magnetic fields vary at angle of", electromagnetic waves (ew) Multiple Choice Questions (MCQ) with choices 90°, 30°, 45°, and 180° to learn certification courses online. Learn physics waves questions and answers to improve problem solving skills for online college courses.
Electromagnetic Waves (EW) Questions and Answers PDF Download eBook
MCQ: Electric and magnetic fields vary at angle of
- 30°
- 90°
- 45°
- 180°
B
MCQ: Particles like kaons and muons etc., were found out by
- looking at cosmic rays
- looking at particles in accelerators
- looking closely at atom
- both A and B
D
MCQ: All objects are attracted towards
- center of Earth
- sun
- mars
- moon
A
MCQ: In frequency modulation, amplitude of modulated wave is
- positive
- negative
- constant
- zero
C
MCQ: Acceleration is directly related to
- displacement
- negative of displacement
- velocity
- negative of speed
B