Identify the INCORRECT statements from the following: A. Notation ²⁴₁₂Mg represents 24 protons and 12 neutrons. B. Wavelength of a radiation of frequency 4.5×10¹⁵ s ⁻¹ is 6.7×10⁻⁸ m. C. One radiation has wavelength =λ₁ (900 nm) and energy =E₁. Other radiation has wavelength =λ₂ (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 1.006×10¹⁶. Choose the correct answer from the options given below:

Atomic Structure: JEE Main 2026 Chemistry question

JEE Main 2026 · 23 Jan, Evening shift · Q54

JEE Main 202623 Jan, Evening shiftChemistryHardAtomic Structure113× since 2002

Identify the INCORRECT statements from the following: A. Notation

^{24}_{12}\mathrm{Mg}

represents 24 protons and 12 neutrons. B. Wavelength of a radiation of frequency

4.5\times10^{15}

^{-1}

6.7\times10^{-8}

m. C. One radiation has wavelength

=\lambda_1

(900 nm) and energy

=E_1

. Other radiation has wavelength

=\lambda_2

(300 nm) and energy

=E_2

E_1:E_2=3:1

. D. Number of photons of light of wavelength 2000 pm that provides 1 J of energy is

1.006\times10^{16}

. Choose the correct answer from the options given below:

JEE Main 2026 Atomic Structure Question with Solution (23 Jan Evening shift, Q54) | JEE Arc