Related Questions

When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as
A simple pendulum
B torsional pendulum
C compound pendulum
D second’s pendulum
A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity, is called
A Simple pendulum
B Compound pendulum
C Second's pendulum
D None of these
Overmodulation (amplitude) occurs when signal amplitude is ___________ carrier amplitude
A Equal to
B Greater than
C Less than
D None of the above
The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.
A Equal to
B Less than
C Greater than
D None of these
When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion.
A Same
B Two times
C Four times
D None of these
When a body floating in a liquid is displaced slightly, it oscillates about-------.
A C.G of the body
B Center of pressure
C Center of buoyancy
D Metacentre
When a body floating in a liquid, is displaced slightly, it oscillates about
A C.G. of body
B Center of pressure
C Center of buoyancy
D Metacentre
A floating body oscillates about its __________ when it is displaced slightly.
A Centre of gravity
B Metacentre
C Centre of buoyancy
D Centre of pressure
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called
A Surf
B Clapotis
C Fetch
D Swell

Next steps