1
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
Young's double slit experiment is performed in a medium of refractive index of 1.33 . The maximum intensity is $ I_{0} $. The intensity at a point on the screen, where path difference between the light coming out from slits is $ \frac{\lambda}{4} $, is
A
0
B
$ \frac{I_{0}}{2} $
C
$ \frac{3 I_{0}}{8} $
D
$ \frac{2 I_{0}}{3} $
2
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
The magnifying power of a telescope is 9 . When it is adjusted for parallel rays, the distance between the objective and eyepiece is 20 cm . The ratio of focal length of objective lens to focal length of eyepiece is found to be $ m $, then the value of $ m $ is
A
8
B
7
C
9
D
12
3
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
In the given circuit, $ E_{1}=E_{2}=E_{3}=2 \mathrm{~V} $ and $ R_{1}=R_{2}=4 \Omega $, then current flowing through the branch $ A B $ is

BITSAT 2024 Physics - Current Electricity Question 1 English

A
zero
B
$ 2 A $ from $ A $ and $ B $
C
$ 2 A $ from $ B $ to $ A $
D
$ 5 A $ from $ B $ to $ B $
4
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
An oil drop of radius $ 1 \mu \mathrm{~m} $ is held stationary under a constant electric field of $ 3.65 \times 10^{4} \mathrm{~N} / \mathrm{C} $ due to some excess electrons presence on it. If the density of oil drop is $ 1.26 \mathrm{~g} / \mathrm{cm}^{3} $, then number of excess electrons on the oil drop approximately are [Take, $ g=10 \mathrm{~ms}^{-2} $ ]
A
7
B
12
C
9
D
8
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