given DCIUW LuIl question. 1. While performing experiment Ram observed that when UV-radiation were allowed to fall on the emitter plate of an evacuated glass tube enclosing two electrodes, current flow in the circuit due to (a)UV-light ionises the traces of gas left after evacuation (b) UV-light produces ionisation of cathode and anode (c) UV-light causes ionisation of cathode (d) UV-light causes ejection of electron from the emitter plate
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