1
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following pairs is an example of isotones?

A
${ }_6^{12} \mathrm{C} ;{ }_6^{14} \mathrm{C}$
B
${ }_6^{12} \mathrm{C} ;{ }_5^{11} \mathrm{~B}$
C
${ }_6^{14} \mathrm{C} ;{ }_7^{14} \mathrm{~N}$
D
${ }_6^{13} \mathrm{C} ;{ }_5^{11} \mathrm{~B}$
2
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
3
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
4
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
MHT CET Subjects
EXAM MAP