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Bihar Board Class 11 Physics Question Paper. We covered all the Bihar Board Class 11 Physics Question Paper in this post for free so that you can practice well for the exam.
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Class 11 Physics Mock test for Students
The radius of gyration of a disc with Mass 100 g and radius 5 cm about an axis through its center perpendicular to the plane is:
a) 0.5 cm
b) 2.5 cm
c) 3.54 cm
d) 6.54 cm
Option c – 3.54 cm
A meter stick of Mass 300 g has its moment of inertia about an axis passing through the 30 cm mark and perpendicular to its length as:
a) 0.052 kg·m²
b) 0.27 kg·m²
c) 0.037 kg·m²
d) 0.00225 kg·m²
Option c – 0.037 kg·m²
A body has a radius of gyration of 0.05 m about its center of Mass. Find the radius of gyration about a parallel axis 0.12 m away from the center of Mass:
a) 0.05 m
b) 0.12 m
c) 0.13 m
d) 0 m
Option c – 0.13 m
The moment of inertia of a rigid body about its center of Mass is Ic, and about a parallel axis is Io. Then:
a) Io is always equal to Ic
b) Io is always smaller than Ic
c) Io is always greater than Ic
d) All of these
Option c – Io is always greater than Ic
For a uniform circular disc of moment of inertia I about its diameter, the moment of inertia about an axis through a point on its rim and perpendicular to its plane is:
a) 4 I
b) 6 I
c) 8 I
d) 9 I
Option b – 6 I
A body has a radius of gyration of 5 cm about an axis 4 cm from its center of Mass. Its radius of gyration about an axis through the center of Mass is:
a) 9 cm
b) 1 cm
c) 4.5 cm
d) 3 cm
Option d – 3 cm
The sum of the moments of masses of all particles of a rigid body about its center of Mass is always:
a) Infinite
b) Maximum
c) Minimum
d) Zero
Option d – Zero
A ring has a moment of inertia 1 kg·m² about one of its diameters. Its moment of inertia about a tangent parallel to that diameter is:
a) 2 kg·m²
b) 4 kg·m²
c) 3 kg·m²
d) 5 kg·m²
Option c – 3 kg·m²
For a thin uniform rod, if the moment of inertia about its center is IA and about one end is IB, then:
a) IA = IB
b) IA > IB
c) IA < IB
d) IA > IB
Option c – IA < IB
A ring has a moment of inertia 6 kg·m² about a transverse axis through its center. Its moment of inertia about a tangent in the plane of the ring is:
a) 3 kg·m²
b) 6 kg·m²
c) 9 kg·m²
d) 12 kg·m²
Option c – 9 kg·m²
We covered all the bihar board Class 11 Physics question paper above in this post for free so that you can practice well for the exam.
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Also, check out:
- Engineering Physics by Amal Chakraborty
- Arihant DC Pandey Physics JEE
- 12th Std Physics One Mark Questions
