A ray of monochromatic light is incident on a plane mirror at and angle of 30. The angle of reflection for the light is 1)15
2)30
3)60
4)90

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?