MHT CET 2023 9th May Morning Shift | Atomic Structure Question 8 | Chemistry

Calculate the wavenumber of the photon emitted during transition from the orbit of $$n=2$$ to $$n=1$$ in hydrogen atom. $$\left[R_H=109677 \mathrm{~cm}^{-1}\right]$$

$$27419.3 \mathrm{~cm}^{-}$$

$$109677.0 \mathrm{~cm}^{-1}$$

$$12064.5 \mathrm{~cm}^{-1}$$

$$82257.8 \mathrm{~cm}^{-1}$$

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

-0

What is the wavelength for a wave having frequency 50 Hz?

1.6 $$\times$$ 10$$^6$$ m

6 $$\times$$ 10$$^{-2}$$ m

6 $$\times$$ 10$$^6$$ m

15 $$\times$$ 10$$^2$$ m

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

The wavelength of a spectral line of caesium is $$460 \mathrm{~nm}$$. What is the frequency of spectral line?

$$4.5 \times 10^8 \mathrm{~Hz}$$

$$6.5 \times 10^{14} \mathrm{~Hz}$$

$$3 \times 10^9 \mathrm{~Hz}$$

$$5.6 \times 10^{14} \mathrm{~Hz}$$

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Chemistry

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Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics

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