Electromagnetic Radiation & Photoelectric Effect: JEE Questions & Solutions
8 previous-year JEE Chemistry questions on Electromagnetic Radiation & Photoelectric Effect, each with a worked step-by-step solution.
Previous-year questions
- 01
The work functions of two metals (MA and MB) are in the 1: 2 ratio. When these metals are exposed to photons of energy 6 eV, the kinetic…
MCQMediumJEE 2026 - 02
Identify the INCORRECT statements from the following: A. Notation ^2412Mg represents 24 protons and 12 neutrons. B. Wavelength of a…
MCQMediumJEE 2026 - 03
The wavelength of photon 'A' is 400 nm. The frequency of photon 'B' is 10^16 s^-1. The wave number of photon 'C' is 10^5 cm^-1. The correct…
MCQMediumJEE 2026 - 04
Which of the following statements are correct, if the threshold frequency of caesium is 5.16 10^14 Hz?
MCQMediumJEE 2025 - 05
The ionization energy of sodium in kJ/mol. If electromagnetic radiation of wavelength 242 nm is just sufficient to ionize sodium atom, what…
MCQEasyJEE 2024 - 06
The number of incorrect statement(s) about the black body from the following is: (1) Emits or absorbs energy in the form of electromagnetic…
NVAEasyJEE 2023 - 07
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: In the photoelectric…
MCQEasyJEE 2023 - 08
Values of work function (W0) for a few metals are given below. The number of metals which will show the photoelectric effect when light of…
NVAEasyJEE 2023
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