Physics Group - I (3110011) MCQs

MCQs of Properties of Matter

Showing 21 to 30 out of 32 Questions
21.
Equation of time period of torsional oscillation for a torsional pendulum is
(a) T = 2π IC
(b) T = 2π m IC
(c) T = 2πt  I C
(d) T = 2π  Ig C
Answer:

Option (a)

22.
For studying the bending of a beam, the __________ dimension must be large as compared to the other dimensions
(a) breadth
(b) height
(c) corollary
(d) length
Answer:

Option (d)

23.
For bending of beam, we should consider
(a) there are no shearing forces
(b) the cross-section of the beam is altered during the bending
(c) the beam should have large curvature
(d) weight of the beam is large
Answer:

Option (a)

24.
For bending of beam, we should consider
(a) the weight of beam should be low
(b) all of these
(c) the beam should have small curvature
(d) the beam has no shearing force
Answer:

Option (b)

25.
For bending of beam, we should consider
(a) there are 3 shearing forces
(b) the cross section of the beam is damaged during bending
(c) the minimum deflection of the beam is small compared to its length
(d) none of these
Answer:

Option (c)

26.
A ___________ is a beam which is fixed horizontally at one end and a load is applied at other end.
(a) torsional pendulum
(b) compound pendulum
(c) all of these
(d) cantilever
Answer:

Option (d)

27.
The Young's modulus of cantilever depends on the value of
(a) Ig
(b) τ
(c)  l3
(d) all of these
Answer:

Option (a)

28.
The total depression value at the free end of cantilever is
(a) y = 8 m l3 3 Y Ig
(b) y = W l3 3 Y Ig
(c) y =  l3 8 Y Ig
(d) y = m l3 3 Y Ig
Answer:

Option (b)

29.
For a circular dimension cantilever,
(a) Ig = 8 π r412
(b) Ig = π r44
(c) Ig =  π r4
(d) Ig =  π b d12
Answer:

Option (b)

30.
For a rectangular dimension cantilever,
(a) Ig =   b d312
(b) Ig =   b d3Y l3 
(c) Ig =   b d3Y
(d) Ig =    d38
Answer:

Option (a)

Showing 21 to 30 out of 32 Questions