AIIMS Physics: Questions 193 - 197 of 500
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Question number: 193
Appeared in Year: 2003
In short wave communication waves of which of the following frequencies will be reflected back by the ionosphere layer having electron density 1011 per m3?
Question number: 194
Question number: 195
Appeared in Year: 1998
The waves in which the particles of the medium vibrate in a direction perpendicular to the direction of wave motion is known as –