1
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The kinetic energy of electrons emitted, when radiation of frequency $1.0 \times 10^{15} \mathrm{~Hz}$ hits a metal, is $2 \times 10^{-19} \mathrm{~J}$. What is the threshold frequency of the metal (in Hz )? $\left(h=6.6 \times 10^{-34} \mathrm{Js}\right)$
A
$35 \times 10^{15}$
B
$3.3 \times 10^{14}$
C
$6.97 \times 10^{15}$
D
$6.97 \times 10^{14}$
2
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
In which of the following species, the ratio of $s$-electrons to $p$-electrons is same?
A
$\mathrm{K}^{+}, \mathrm{Cr}^{3+}$
B
$\mathrm{Zn}, \mathrm{Fe}^{2+}$
C
$\mathrm{Zn}_{\mathrm{Cr}}{ }^{3+}$
D
$\mathrm{Na}^{+}, \mathrm{K}^{+}$
3
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the pair of elements in which the difference in atomic radii is maximum
A
C, N
B
P, S
C
O,F
D
$\mathrm{Li}, \mathrm{Be}$
4
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Match the following.
List I (Element) List II (Block)
A Ra I p - block
B Uuq II s- block
C Ds III f - block
D Fm IV d - block
The correct answer is
A
$\mathrm{A}-\mathrm{II}, \mathrm{B}-\mathrm{III}, \mathrm{C}-\mathrm{IV}, \mathrm{D}-\mathrm{I}$
B
$\mathrm{A}-$ III, $, \mathrm{B}-\mathrm{II}, \mathrm{C}-\mathrm{I}, \mathrm{D}-\mathrm{IV}$
C
$\mathrm{A}-\mathrm{III}, \mathrm{B}-\mathrm{IV}, \mathrm{C}-\mathrm{II}, \mathrm{D}-\mathrm{I}$
D
A - II, B-I, C-IV, D-III
EXAM MAP