1.
Which of the following statement is false for the properties of em waves?
2.
Speed of electromagnetic wave related to electric field and magnetic field vector in vacuum.
3.
The ratio of contributions made by the electric field and magnetic field components to the intensity of an EM wave is
4.
An EM wave of intensity I falls on a surface kept in vacuum and exerts radiation pressure p on it. Which of the following is not true?
5.
One requires 11 eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in
6.
The source of electromagnetic waves can be a charge
7.
A plane electromagnetic wave propagating along x direction can have the following pairs of Eand B
8.
An electromagnetic wave travelling along z-axis is given as-E=E0 cos (kz – cot). Choose the incorrect option from the following;
9.
An electromognetic wave travels in vacuum along z direction: E = (E{i + E2j) cos(kz – cot). Choose the correct optinons from the following:
10.
An EM wave radiates outwards from a dipole antenna, with E0 as the amplitude of its electric field vector. The electric field E0 which transports significant energy from the