1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Match List I with List II:
| List I (Spectral Lines of Hydrogen for transitions from) |
List II (Wavelengths (nm)) |
||
|---|---|---|---|
| A. | $$ n_2=3 \text { to } n_1=2 $$ |
I. | 410.2 |
| B. | $$ n_2=4 \text { to } n_1=2 $$ |
II. | 434.1 |
| C. | $$ n_2=5 \text { to } n_1=2 $$ |
III. | 656.3 |
| D. | $$ n_2=6 \text { to } n_1=2 $$ |
IV. | 486.1 |
Choose the correct answer from the options given below:
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
$$ { }_{82}^{290} X \xrightarrow{\alpha} Y \xrightarrow{e^{+}} Z \xrightarrow{\beta^{-}} P \xrightarrow{e^{-}} Q $$
In the nuclear emission stated above, the mass number and atomic number of the product $$Q$$ respectively, are
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
The ground state energy of hydrogen atom is $$-13.6 ~\mathrm{eV}$$. The energy needed to ionize hydrogen atom from its second excited state will be :
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
The wavelength of Lyman series of hydrogen atom appears in:
Questions Asked from Atoms and Nuclei (MCQ (Single Correct Answer))
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