1
JEE Main 2025 (Online) 3rd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Match the LIST-I with LIST-II } $$

LIST-I

LIST-II
A. $$
\text { Boltzmann constant }
$$
I $$
\mathrm{ML}^2 \mathrm{~T}^{-1}
$$
B $$
\text { Coefficient of viscosity }
$$
II $$
\mathrm{MLT}^{-3} \mathrm{~K}^{-1}
$$
C $$
\text { Planck's constant }
$$
III $$
\mathrm{ML}^2 \mathrm{~T}^{-2} \mathrm{~K}^{-1}
$$
D $$
\text { Thermal conductivity }
$$
IV $$
\mathrm{ML}^{-1} \mathrm{~T}^{-1}
$$
Choose the correct answer from the options given below:
A
A - III, B - IV, C - I, D - II
B
A - III, B - IV, C - II, D - I
C
A - III, B - II, C - I, D - IV
D
A - II, B - III, C - IV, D - I
2
JEE Main 2025 (Online) 3rd April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A person measures mass of 3 different particles as $435.42 \mathrm{~g}, 226.3 \mathrm{~g}$ and 0.125 g . According to the rules for arithmetic operations with significant figures, the addition of the masses of 3 particles will be.

A
661.845 g
B
661.84 g
C
662 g
D
661.8 g
3
JEE Main 2025 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
If $\mu_0$ and $\epsilon_0$ are the permeability and permittivity of free space, respectively, then the dimension of $\left(\frac{1}{\mu_0 \epsilon_0}\right)$ is :
A
$\mathrm{T}^2 / \mathrm{L}$
B
$\mathrm{L}^2 / \mathrm{T}^2$
C
$\mathrm{T}^2 / \mathrm{L}^2$
D
$\mathrm{L} / \mathrm{T}^2$
4
JEE Main 2025 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given a charge q , current I and permeability of vacuum $\mu_{\mathrm{o}^*}$. Which of the following quantity has the dimension of momentum ?
A
${ }$ $q I / \mu_o$
B
$q^2 \mu_o I$
C
$q \mu_0 / I$
D
$\mathrm{q} \mu_{\mathrm{o}} \mathrm{I}$
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