Engineering Physics Quiz

The unit of moment of inertia is

• kg/m

• kg-m2

• m4

• m3

The M.I. of circular disc about an axis through its centre perpendicular to its plane, is

• MR3/4

• R4/12

• MR2/2

• M R4/8

Moment of inertia is a scalar quantity

• Scalar quantity

• Vector quantity

• Optical quantity

• Magnetic quantity

Moment of inertia of a circular disc about its diameter

• MR2 /4

• MR4/2

• 2/5 MR2

• 2/4 MR2

Moment of inertia of circular disc about a tangent

• MR2

• 2/3 MR2

• MR4/2

• 5/4 MR2

The moment of inertia of the solid cylinder about its axis of symmetry is

• Mr2/2

• Mr2

• 2/3 Mr2

• 2/5 Mr2

The moment of inertia of a solid cylinder about the axis passing through its centre and perpendicular to its own axis of symmetry is

• 𝑀 (𝑅2/ 4 + 𝑙2/ 12)

• 𝑀 (𝑅2/ 4)

• 𝑀 (𝑅2/ 8 + 𝑙2/ 2)

• 𝑀 (𝑅2/ 4 + 𝑙2/ 8)

The formula of radius of gyration

• k2 = I/M

• k2 = I2/M

• k2 = I2/M2

• k2 = (I/M)1/2

The unit of radius of gyration?

• m4

• m

• N

• m2

Moment of inertia of a diatomic molecule about an axis passing through the centre of the diatomic molecule and perpendicular to bond length is

• product of mass of molecule

• sum of mass of molecule and square of bond length

• product of mass of molecule and square of bond length.

• square of bond length