AAKASH AITS 12

INTEGER TYPE QUESTIONS:

1) If sound level at a point is increased by 30dB thrn pressure amplitude increases approximately by 4x times find x.

2) A satellite is revolving in circular orbit of radius 3 units with velocity 1 unit.A particle is projected from the satellite in forward direction with relative velocity(√5/4 -1)unit. During subsequent motion of the particle , its max distnce (in the same system of units)from earths centre is-