1
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A
$$27419.3 \mathrm{~cm}^{-}$$
B
$$109677.0 \mathrm{~cm}^{-1}$$
C
$$12064.5 \mathrm{~cm}^{-1}$$
D
$$82257.8 \mathrm{~cm}^{-1}$$
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is maximum number of electrons accommodated in a subshell having azimuthal quantum number, $$\ell$$ = 2 ?

A
10
B
12
C
14
D
18
3
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

How many values of magnetic quantum number are possible for each value of azimuthal quantum number?

A
$$\mathrm{n} \ell$$
B
$$2 \ell+1$$
C
$$n-\ell$$
D
$$2 \ell$$
4
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the frequency of yellow light having wavelength $$580 \mathrm{~nm}$$ ?

A
$$193 \times 10^{-9} \mathrm{~Hz}$$
B
$$517 \times 10^{-14} \mathrm{~Hz}$$
C
$$5.17 \times 10^{14} \mathrm{~Hz}$$
D
$$580 \times 10^{-9} \mathrm{~Hz}$$
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