What is the correct answer?


A pendulum which executes one beat per second is known as

A. Simple pendulum

B. Compound pendulum

C. Torsional pendulum

D. Second's pendulum

Correct Answer :

D. Second's pendulum

Related Questions

The maximum velocity of a particle moving with simple harmonic motion… The C.G. of a plane lamina will not be at its geometrical centre in the… In determining stresses in frames by methods of sections, the frame is… The moment of inertia of a square of side a about its diagonal is The moment of inertia of a solid sphere of mass m and radius r is In order to double the period of simple pendulum, the length of the string… When trying to turn a key into a lock, following is applied The unit of work or energy in S.I. units is A redundant frame is also called __________ frame. The range of projectile (R) on an upward inclined plane is Limiting force of friction is the Which of the following are vector quantities? A circular hole of 50 mm diameter is cut out from a circular disc of 100… Which of the following is not a vector quantity? Forces are called concurrent when their lines of action meet in Pick up the incorrect statement from the following: If the body falls freely under gravity, then the gravitational acceleration… Tangent of angle of friction is equal to A semicircular disc rests on a horizontal surface with its top flat surface… A rubber ball is dropped from a height of 2 m. If there is no loss of… The centre of gravity of a semi-circle lies at a distance of __________… The centre of percussion of the homogeneous rod of length L suspended… Moment of inertia of a hollow circular section, as shown in the below… The time of flight of a projectile on downward inclined plane depends… On a ladder resting on smooth ground and leaning against vertical wall,… If three forces acting in one plane upon a rigid body, keep it in equilibrium,… The units of moment of inertia of an area are Coplanar non-concurrent forces are those forces which __________ at one… On the ladder resting on the ground and leaning against a smooth vertical… The velocity ratio of a differential pulley block with D and d as the…