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Direction : Question number 89 contain Statement-1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the two statements. Statement-1: When ultraviolet light is incident on a photocell, its stopping potential is V_(0) and the maximum kinetic energy of the photoelectrons is K_(max). When the ultraviolet light is replaced by X-rays. Both V_(0) and K_(max) increase. Statement-2: Photoelectrons are emitted with speeds ranging from zero to a maximum value because of the range of frequencies present in the incident light. |
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Answer» STATEMENT-1 is TRUE, Statement-2 is FALSE. |
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