Work, Energy and Power — Physics STD 10 — Question

State two factors on which the strength of an induced current depends.

When is work said to be done by a force?

State the order of resistivity of (i) a metal, (ii) a semiconductor and (iii) an insulator.

Give one example where high specific heat capacity of water is used as heat reservoir ?

What do you understand by the kinetic energy of a body?

By what name is the unit joule/coulomb called?

A ray of light incident at an angle of incidence ‘i’ passes through an equilateral glass prism such that the refracted ray inside the prism is parallel to its base and emerges from the prism at an angle of emergence ‘e’.
How is the angle of emergence ‘e’ related to the angle of incidence ‘i’?

State the function of the following in a house circuiting of main fuse

A radioactive source emits three types of radiations

Name the radiation consisting of the same kind of particles as the cathode rays.