1
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

A cylindrical magnet has a length of 15 cm and diameter 3 cm . If it has uniform magnetisation of $4.0 \times 10^3 \mathrm{Am}^{-1}$, then magnetic dipole moment is

A

$0.42 \mathrm{JT}^{-1}$

B

$0.84 \mathrm{JT}^{-1}$

C

$0.21 \mathrm{JT}^{-1}$

D

$0.58 \mathrm{JT}^{-1}$

2
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

A parallel beam of fast moving electrons is incident normally on a narrow slit. If the speed of the electrons is decreased, the angular width of central maxima

A

increases

B

decreases

C

remains same

D

None of these

3
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

When a ball of mass 5 kg hits a bat with a velocity $3 \mathrm{~m} / \mathrm{s}$, in positive direction and it moves back with a velocity $4 \mathrm{~m} / \mathrm{s}$, find the impulse in SI units.

A

5

B

15

C

25

D

35

4
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

A flask contains argon and chlorine in the ratio of $2: 1$ by mass, the temperature of mixture is $27^{\circ} \mathrm{C}$, the ratio of root mean square ( $U_{\mathrm{rms}}$ ) of the molecule of two gases (Given, Atomic mass of argon $=39.9 v$, Molecular mass of chlorine $=70.9 u$ )

A

$\frac{2}{3}$

B

0.1

C

$\frac{10}{3}$

D

1.33

VITEEE Papers

All year-wise previous year question papers