1
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The additional energy that should be given to an electron to reduce its de-Broglie wavelength from 1 nm to 0.5 nm is

A
four times initial energy
B
thrice the initial energy
C
equal to the initial energy
D
twice the initial energy
2
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The ratio of the energies of the electron in the hydrogen atom in the first and second excited states is
A
$9: 4$
B
$4: 1$
C
$8: 1$
D
$1: 8$
3
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the following nuclear reaction $X$ is

$$ { }_{13} \mathrm{Al}^{27}+{ }_2 \mathrm{He}^4 \longrightarrow{ }_0 n^1+X $$

A
${ }_{15} \mathrm{P}^{31}$
B
${ }_{14} \mathrm{Si}^{30}$
C
${ }_{15} \mathrm{P}^{30}$
D
${ }_{15} \mathrm{Si}^{31}$
4
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Nuclear fission and fusion can be explained on the basis of
A
Einstein's theory of relativity
B
Einstein specific heat equation
C
Einstein mass-energy equation
D
Einstein photoelectric equation
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12