A. In the direction of wave motion
B. Opposite the direction of wave motion
C. Back and forth parallel to the direction of wave motion
D. Perpendicular to the direction of waves
C. Back and forth parallel to the direction of wave motion
Longitudinal waves are those in which the particles of the medium move: Read More »
A. Power
B. Moment of inertia
C. Kinetic energy
D. Potential energy
D. Potential energy
The work done in lifting a body to a higher level is stored in it as: Read More »
D. 6 x 1024 kg
The mass of the Earth comes out to be: Read More »
A. mS-1
B. mS
C. NS
D. Nm
D. Nm
Unit of torque in the SI system are: Read More »
A. Newton
B. Dyne
C. Erg
D. Joule
A. Newton
The SI unit of force is known as: Read More »
A. Right hand rule
B. Left hand rule
C. Head to tail rule
D. None of the above
A. Right hand rule
In vector product, the direction of product vector can be found by the: Read More »
A. Distance of moon from Earth
B. Mass of the Earth
C. Diameter of Earth’s orbit
D. Circumference of the Earth
D. Circumference of the Earth
Al-Beruni is famous for finding out the: Read More »
A. Electrostatic force of attraction
B. Electrostatic force of repulsion
C. Direct collision
D. None of the above
B. Electrostatic force of repulsion
𝜷 – particles ionizes an atom due to: Read More »
A. Proton
B. Electron
C. Radio isotopes
D. Deutron
C. Radio isotopes
Capture of a neutron by a nucleus results in the formation of: Read More »
C. 3 x 109 e.s. units
One coulomb is equal to how many e.s units? Read More »