1
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The ground state energy of hydrogen atom is -13.6 eV . The potential energy of the electron in this state is
A
27.2 eV
B
-27.2 eV
C
-13.6 eV
D
13.6 eV
2
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If the energy released per fission of a ${ }_{92}^{235} \mathrm{U}$ nucleus is 200 MeV . The energy released in the fission of 0.1 kg d ${ }_{92}^{235} \mathrm{U}$ in kilowatt - hour is
A
$22.8 \times 10^5$
B
$22.8 \times 10^7$
C
$11.4 \times 10^5$
D
$820 \times 10^{10}$
3
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The semiconductor used for fabrication of visible LEDS must at least have a band gap of
A
0.6 eV
B
1.2 eV
C
1.8 eV
D
0.9 eV
4
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In a common emitter amplifier, AC current gains 40 and input resistance is $2 \mathrm{k} \Omega$. The load resistance is given as $10 \mathrm{k} \Omega$. Then, the voltage gain is
A
52
B
125
C
178
D
200
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