Electromagnetic Radiation and Planck's Quantum Theory

JEE Main Chemistry · Atomic Structure · 9 questions, latest first

• Consider two radiations of wavelengths 1. λ_1=2000 2. λ_2=6000 The ratio of the energies of these two radiations ((E_1)/(E_2)) is…20268 April, Shift 2 · Q73
• 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 10^4…202628 January, Shift 2 · Q52
• Identify the INCORRECT statements from the following: A. Notation _12^24 Mg represents 24 protons and 12 neutrons. B. Wavelength…202623 January, Shift 2 · Q52
• Wavenumber for a radiation having 5800 wavelength is x × 10 cm^-1. The value of x is ____. (Integer answer)20248 April, Shift 2 · Q82
• A hypothetical electromagnetic wave is show below. The frequency of the wave is x × 10^19 Hz. x= ____ (nearest integer)20248 April, Shift 1 · Q81
• The ionization energy of sodium in kJ mol^-1, if electromagnetic radiation of wavelength 242 nm is just sufficient to ionize…202431 January, Shift 1 · Q82
• The number of incorrect statement/s about the black body from the following is ____ Emit or absorb energy in the form of…202310 April, Shift 1 · Q82
• The energy of one mole of photons of radiation of frequency 2 × 10^12 Hz in J mol^-1 is ____. (Nearest integer) [ Given: h=6.626…202330 January, Shift 1 · Q53
• Following figure shows spectrum of an ideal black body at four different temperatures. The number of correct statement/s from the…202324 January, Shift 2 · Q52