36. What will be the ratio of the distances moved by a freely falling body from rest in 4th and 5th seconds of journey?

3. When n-type semiconductor is heated _ ?

2. Interference is possible in ?

1. Ray optics is valid, when characteristic dimensions are ?

A 4μF conductor is charged to 400 volts and then its plates are joined through a resistance of 1kΩ. The heat produced in the resistance is ?