A 5.0 A current is setup in an external circuit by a 6.0 V storage battery for 6.0 min. The chemical energy of the battery is reduced by :

A student unable to answer a question on Newton's law of motion attempts to pull himself up by tugging on his . He will not succeed :

An isotope decays to 1/16" of  its mass in 1 h. What is the half period of the isotope?

A piece of blue glass heated to a high temperature and a piece of red glass at room temperature, are taken inside a dimly lit room then

which one of the following is not a unit of young's modulus?

Fusion reaction takes place at high temperature because :

In a step -up transformer , if ratio of truns of primary to secondary is  1:10  and primary voltage is 230 V. If the load  current is 2A, then the current is primary is :

Ampere - hour is the unit of:

positively charged particles are projected in to a magnetic field .If the direction of the magnetic field is along the direction of motion of the charge particles, the particles get:

Water falls from a tap. down the streamline: