1
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

A light ray of wavelength 546 nm is incident on an air-glass interface. If the speed of light in air is $3 \times 10^8 \mathrm{~m} / \mathrm{s}$. Then, wavelength of light ray in glass will be

[Take, refractive index of glass, $\mu=1.5$ ]

A
1092 nm
B
819 nm
C
273 nm
D
364 nm
2
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

A solenoid of length 0.4 m and having 500 turns of wire carries a current of 3 A . A thin coil having 10 , turns of wire and of radius 0.01 m carries a current of 0.4 A . The torque required to hold the coil in the middle of the solenoid with its axis perpendicular to the axis of solenoid.

A
$6 \times 10^{-5} \mathrm{~N}-\mathrm{m}$
B
$5.92 \times 10^{-6} \mathrm{~N}-\mathrm{m}$
C
$3.42 \times 10^{-6} \mathrm{~N}-\mathrm{m}$
D
$225 \times 10^{-5} \mathrm{~N}-\mathrm{m}$
3
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

Which of the following graph represents the variation of magnetic flux density $B$ with distance $r$ for a straight long wire carrying an electric current?

A
VITEEE 2024 Physics - Moving Charges and Magnetism Question 1 English Option 1
B
VITEEE 2024 Physics - Moving Charges and Magnetism Question 1 English Option 2
C
VITEEE 2024 Physics - Moving Charges and Magnetism Question 1 English Option 3
D
VITEEE 2024 Physics - Moving Charges and Magnetism Question 1 English Option 4
4
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

Three charges, each of $+4 \mu \mathrm{C}$, are placed at the corners $A, B, C$ of a square $A B C D$ of side 1 m . What is the magnitude (in $\mathrm{NC}^{-1}$ ) of electric field at point $O$ towards point $D$ ?

A
66000
B
72000
C
51000
D
64000
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