Competishun Header
Competishun
Contact Us
Back

Report Issue

JEE MAIN 2019
11-01-2019 S1
Question
The force of interaction between two atoms is given by $\mathrm{F}=\alpha \beta \exp \left(-\frac{\mathrm{x}^2}{\alpha \mathrm{kt}}\right)$; where x is the distance, k is the Boltzmann constant and $T$ is temperature and $\alpha$ and $\beta$ are two constants. The dimension of $\beta$ is
Select the correct option:
A
$\mathrm{M}^0 \mathrm{~L}^2 \mathrm{~T}^{-4}$
B
$\mathrm{M}^2 \mathrm{LT}^{-4}$
C
$\mathrm{MLT}^{-2}$
D
$\mathrm{M}^2 \mathrm{~L}^2 \mathrm{~T}^{-2}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Solution Image
Question Tags
JEE Main
Physics
Easy
Start Preparing for JEE with Competishun
YouTube
Books
App
Tests
Filters 0
JEE Main
JEE Advance
Easy
Medium
Hard
Showing 18 questions
QJEE Advance 20202020
When water is filled carefully in a glass, one can fill it to a height $h$ above the rim of...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
Put a uniform meter scale horizontally on your extended index fingers with the left one at 0.00 cm and the...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
As shown schematically in the figure, two vessels contain water solutions (at temperature $T$ ) of potassium permanganate $\left(\mathrm{KMnO}_4\right)$ of...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
Shown in the figure is a semicircular metallic strip that has thickness $t$ and resistivity $\rho$. Its inner radius is...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
A uniform electric field, $\vec{E}=-400 \sqrt{3} \hat{y} \mathrm{NC}^{-1}$ is applied in a region. A charged particle of mass m carrying...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
Sometimes it is convenient to construct a system of units so that all quantities can be expressed in terms of...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
The filament of a light bulb has surface area $64 \mathrm{~mm}^2$. The filament can be considered as a black body...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
A particle of mass m moves in circular orbits with potential energy $\mathrm{V}(\mathrm{r})=F r$, where F is a positive constant...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
An open-ended U-tube of uniform cross-sectional area contains water (density $10^3 \mathrm{~kg} \mathrm{~m}^{-3}$ ). Initially the water level stands at...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance2018
For every twice differentiable function $f: R \rightarrow[-2,2]$ with $(f(0))^2+\left(f^{\prime}(0)\right)^2=85$, which of the following statement(s) is (are) TRUE ?
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20202020
A parallel beam of light strikes a piece of transparent glass having cross section as shown in the figure below....
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
Therefore relative displacement (with respect to centre of roller) is $(75-50) \mathrm{cm}=25 \mathrm{~cm}$. A circular coil of radius R and...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 2020 2020
A small roller of diameter 20 cm has an axle of diameter 10 cm (see figure below on the left)....
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance2021
The pair(s) of complexes wherein both exhibit tetrahedral geometry is(are) (Note: py = pyridine Given: Atomic numbers of $...
JEE AdvanceChemistryEasy
View Solution→
QJEE Advance 20202020
A light disc made of aluminium (a nonmagnetic material) is kept horizontally and is free to rotate about its axis...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20202020
A football of radius R is kept on a hole of radius $\mathrm{r}(r < R)$ made on a plank kept...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advanced 20162016
Football teams T1 and T2 have to play two games against each other. It is assumed that the outcomes of...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advanced 20162016
Football teams $T_1$ and $T_2$ have to play two games against each other. It is assumed that the outcomes of...
JEE AdvanceMathematicsEasy
View Solution→