Find the dimensions of B/μ0

JEE (Main)-2025 Physics Quiz

Quiz
•
Science
•
12th Grade
•
Hard
Harsh Padhai
FREE Resource
60 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
[AL]
[AL–1]
[MAL]
[MALT–1]
2.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Solid sphere of mass M, radius R exerts force F on a point mass. Now a concentric spherical mass 7M is removed. What is new force?
7F
6/7F
5/7F
3/7F
3.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Find out equivalent capacitance for the situation shown in figure.
Ceq = (K1 + K2 + K3)/(K1K2K3)
Ceq = (K1 + K2 + K3)/(K1K2K3)
Ceq = (K1 + K2 + K3)/(K1K2K3)
Ceq = (K1 + K2 + K3)/(K1K2K3)
4.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
From a sphere of mass M and radius R, a cavity of radius 2R is created. Find the moment of inertia about an axis passing through the centre of sphere and cavity.
2/3 MR^2
2/3 MR^2
2/3 MR^2
2/3 MR^2
5.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Find the radius of curvature of the common surface of two bubbles (R1 > R2)
R = R1 + R2
R = R1 - R2
R = R1 - R2
R = R1 - R2
6.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
From the given option, identify the diode connected in forward bias.
Option 1
Option 2
Option 3
Option 4
7.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Radius of electron in ground state for hydrogen is a0, then radius of electron in He+ ion in 3rd excited state is a. Then a0 is
1/2 a0
1/4 a0
1/16 a0
1/8 a0
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