The direction of electric field lines due to positive charge
is:
The critical angle for a beam of light passing from water
into air is 48.8 degrees. This mean that all light rays with an angle of
incidence greater than this angle will be:
A 3Ω resistor having 2A current will dissipate the power of:
The technique or method used to absorb undesirable sounds by
soft and porous surface is called:
