Questions

Cattle quickly swallow grass and store it in their __________.

Which of the following authority is elected on the basis of proportional representation in India?

Rectifiers convert _____.

A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.

Find the kinetic energy (in J) possessed by a body of mass 10 kg moving with a velocity of 5 m/s.

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

Which among the following is used to generate light, to weld metals?

Atomic Number of Hydrogen is _______.