PhysicsEasy145×since 2002Q6616A photocell is illuminated by a small bright source placed 111 mmm away. When the same source of light is placed 12{1 \over 2}21 mmm away, the number of electrons emitted by photo-cathode wouldAincreases by a factor of 444Bdecreases by a factor of 444Cincreases by a factor of 222Ddecreases by a factor of 222Check answerSkip