AP-EAPCET SERIES Physics
Dual Nature Of Radiation And Matter
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
1
2025 1
2023 1
2022 Chapter Questions 3 MCQs
01
PYQ 2022
medium
physics ID: ap-eapce
Which of the following statements is correct regarding the photoelectric effect?
1
For a given frequency of incident radiation, the stopping potential varies linearly with its intensity.
2
For a given frequency of incident radiation, the photocurrent is independent of its intensity.
3
For a given frequency of incident radiation, the maximum kinetic energy of photoelectrons is independent of its intensity.
4
For frequencies below the cutoff frequency, photoemission can occur if intensity is slightly increased.
02
PYQ 2023
medium
physics ID: ap-eapce
In a photoelectric graph of stopping potential vs frequency, straight line makes angle with Y-axis. Then :
1
2
3
4
03
PYQ 2025
medium
physics ID: ap-eapce
A laser produces a beam of light of frequency Hz with an output power of 33 mW. The average number of photons emitted by the laser per second is (Planck's constant = Js)
1
2
3
4