List of top Forensic Science Questions on General Science

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The quantum yield of a photochemical reaction can be greater than one.
Reason (R): A single photon can initiate chain of reactions, leading to the conversion of multiple reactant molecules.
In the light of the above statements, choose the most appropriate answer from the options given below :

Arrange the following processes in the correct order as they occur in an electrochemical cell with a copper anode and a silver cathode. A. Migration of cations and anions in the solution
B. Transfer of electrons at the electrode surfaces
C. Conduction of electrons in the external metal conductor
D. Oxidation and reduction reactions at the electrodes
Choose the correct answer from the options given below :