1
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the orbital having lowest energy from following.

A
2p
B
3s
C
3d
D
4p
2
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate radius of fourth orbit of $\mathrm{B}^{4+}$ ion.

A
169.3 pm
B
211.6 pm
C
380.8 pm
D
413.2 pm
3
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate wave length for emission of a photon having wave number $11516 \mathrm{~cm}^{-1}$.

A
216 nm
B
434 nm
C
868 nm
D
642 nm
4
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is correct regarding isobars?

A
These have same number of neutrons.
B
These are the atoms of different elements.
C
These have same atomic number.
D
These have different mass number.
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