Identify the INCORRECT statements from the following: A. Notation 24 12 Mg represents 24 protons and — JEE Mains Chemistry Past Papers Chemistry Question

Question

Identify the INCORRECT statements from the following: A. Notation 24 12 Mg represents 24 protons and 12 neutrons. B. Wavelength of a radiation of frequency 4.5 × 10 15 s –1 is 6.7 × 10 –8 m. C. One radiation has wavelength = 1(900 nm) and energy = E1. Other radiation has wavelength = 2(300 nm) and energy = E2.E1 : E2 = 3 : 1. D. Number of photons of light of wavelength 2000 pm that provides 1 J of energy is 1.006 × 10