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1
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A
$$4.5 \times 10^8 \mathrm{~Hz}$$
B
$$6.5 \times 10^{14} \mathrm{~Hz}$$
C
$$3 \times 10^9 \mathrm{~Hz}$$
D
$$5.6 \times 10^{14} \mathrm{~Hz}$$
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the value of frequency of radiation when transition occurs between two stationary states that differ in energy by $$\Delta \mathrm{E}$$ ?

A
$$v=\frac{2 \pi}{h}$$
B
$$v=\frac{h}{\Delta E}$$
C
$$v=\frac{\Delta E}{h}$$
D
$$v=\frac{h}{2 \pi}$$
3
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify an orbital with the quantum numbers n = 4, $$l$$ = 3, m = 0.

A
4f
B
4p
C
4s
D
4d
4
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the symbol used for water according to Dalton's atomic theory?

A
MHT CET 2020 16th October Morning Shift Chemistry - Atomic Structure Question 5 English Option 1
B
MHT CET 2020 16th October Morning Shift Chemistry - Atomic Structure Question 5 English Option 2
C
MHT CET 2020 16th October Morning Shift Chemistry - Atomic Structure Question 5 English Option 3
D
MHT CET 2020 16th October Morning Shift Chemistry - Atomic Structure Question 5 English Option 4
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