1
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The wavelength of an electron is $10^{3} \mathrm{~nm}$. What is its momentum in $\mathrm{kg} \mathrm{ms}^{-1}$ ? ( $\left.h=6.625 \times 10^{-34} \mathrm{Js}\right)$
A
$6.625 \times 10^{-31}$
B
$6.625 \times 10^{-37}$
C
$6.625 \times 10^{-28}$
D
$6.625 \times 10^{-34}$
2
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two statements are given below :

Statement I : In H atom, the energy of $2 s$ and $2 p$ orbitals is same.

Statements II : In He atom, the energy of $2 s$ and $2 p$ orbitals is same.

The correct answer is

A
Both statements I and II are correct.
B
Both statements I and II are not correct.
C
Statement I is correct but statement II is not correct.
D
Statement I is not correct but statement II is correct.
3
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The set containing the elements with positive electron gain enthalpies is
A
$\mathrm{S}, \mathrm{Se}, \mathrm{Te}$
B
$\mathrm{Kr}, \mathrm{Xe}, \mathrm{Rn}$
C
$\mathrm{Cl}, \mathrm{Br}, \mathrm{I}$
D
$\mathrm{K}, \mathrm{Rb}, \mathrm{Cs}$
4
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) : The ionic radii of $\mathrm{Na}^{+}$and $\mathrm{F}^{-}$are same.

Reason (R) : Both $\mathrm{Na}^{+}$and $\mathrm{F}^{-}$are isoelectronic species.

The correct answer is

A
Both $A$ and $R$ are correct and $R$ is the correct explanation of $A$
B
Both $A$ and $R$ are correct but $R$ is not the correct explanation of A .
C
A is correct but R is not correct.
D
$A$ is not correct but $R$ is correct.
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