AFMC SERIES Physics
Waves
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
1
2008 1
2006 Chapter Questions 2 MCQs
01
PYQ 2006
medium
physics ID: afmc-200
The time of reverberation of a room is one second. What will be the time (in seconds) of reverberation of a room, having all the dimensions double of those of room ?
1
2
3
4
02
PYQ 2008
medium
physics ID: afmc-200
When a low flying aircraft passes over head, we sometimes notice a slight shaking of the picture on our screen. This is due to
1
diffraction of the signal received from the antenna
2
interference of the direct signal received by the antenna with the weak signal reflected by the passing aircraft
3
change of magnetic flux occuring due to the passage of aircraft
4
vibration created by the passage of aircraft