IIT-JAM-BT SERIES Physics
Photoelectric Effect
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
2
2017 Chapter Questions 2 MCQs
01
PYQ 2017
medium
physics ID: iit-jam-
In 2 N H SO , an organic compound shows fluorescence with quantum yield and fluorescence rate constant . The observed fluorescence lifetime (correct to 1 decimal place) is ............ ns.
02
PYQ 2017
medium
physics ID: iit-jam-
Two sources P and Q produce electromagnetic waves of wavelengths and , respectively. Source P ejects a photon with maximum kinetic energy 4.0 eV from a metal with work function 2.0 eV. The maximum kinetic energy (eV) of a photon ejected by source Q from the same metal is .............