Identify the INCORRECT statements from the following: A. Notation { }_{12}^{24} Mg represents 24 protons and 12 neutrons. B. Wavelength of a radiation of frequency 4.5 \times 10^{15} s^{-1} is 6.7 \times 10^{-8} m. C. One radiation has wavelength =\lambda_1\binom{900}{nm} and energy = E _1. Other radiation has wavelength =\lambda_2\binom{300}{nm} and energy = E _2 \cdot 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 \times 10^{16}. Choose the correct answer from the options given below : [23 jan 2026 Shift 2]

Correct Answer is : A and C Only

Structure of Atom Part 2

Section: Chemistry

Question : 8 of 108

Marks: +1, -0

Identify the INCORRECT statements from the following:
A. Notation ‌1224Mg represents 24 protons and 12 neutrons.
B. Wavelength of a radiation of frequency 4.5×1015s−1 is 6.7×10−8m.
C. One radiation has wavelength =λ1(900nm) and energy =E1. Other radiation has wavelength =λ2(300nm) 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 :

[23 jan 2026 Shift 2]

A and D Only
A and C Only
A and B Only
B and C Only

Validate

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