1
JEE Main 2024 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Match List - I with List - II.

List I (Number) List II (Significant figure)
(A) 1001 (I) 3
(B) 010.1 (II) 4
(C) 100.100 (III) 5
(D) 0.0010010 (IV) 6

Choose the correct answer from the options given below :
A
(A)-(II), (B)-(I), (C)-(IV), (D)-(III)
B
(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
C
(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
D
(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
2
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
10 divisions on the main scale of a Vernier calliper coincide with 11 divisions on the Vernier scale. If each division on the main scale is of 5 units, the least count of the instrument is :
A
$\frac{5}{11}$
B
$\frac{10}{11}$
C
$\frac{50}{11}$
D
$\frac{1}{2}$
3
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The dimensional formula of angular impulse is :
A
$\left[\mathrm{M} \mathrm{L}^2 \mathrm{~T}^{-2}\right]$
B
$\left[\mathrm{M} \mathrm{L}^{-2} \mathrm{~T}^{-1}\right]$
C
$\left[\mathrm{M} \mathrm{L}^2 \mathrm{~T}^{-1}\right]$
D
$\left[\mathrm{M} \mathrm{L} \mathrm{T}^{-1}\right]$
4
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The radius $(\mathrm{r})$, length $(l)$ and resistance $(\mathrm{R})$ of a metal wire was measured in the laboratory as

$$ \begin{aligned} & \mathrm{r}=(0.35 \pm 0.05) ~\mathrm{cm} \\\\ & \mathrm{R}=(100 \pm 10) ~\mathrm{ohm} \\\\ & l=(15 \pm 0.2)~ \mathrm{cm} \end{aligned} $$

The percentage error in resistivity of the material of the wire is :
A
$37.3 \%$
B
$25.6 \%$
C
$35.6 \%$
D
$39.9 \%$
JEE Main Subjects
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