🛠️ JEE🧪 Chemistry

Identify the INCORRECT statements from the following: A. Notation \({\text{​}}_{12}^{24}\text{Mg}\) represents 24 proton…

Q1

Identify the INCORRECT statements from the following:

A. Notation \({\text{​}}_{12}^{24}\text{Mg}\) 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 given below:

[JEE Main 2026, 23 Jan (Shift 2)]

a

A and C Only

b

A and B Only

c

A and D Only

d

B and C Only

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