Electromagnetic WavesHard
Question
A radioactive sample disintegrates by 10% during one month. How much fraction will disintegrate in four months :-
Options
A.34.39%
B.40%
C.38%
D.50%
More Electromagnetic Waves Questions
The electric field associated with an e.m. wave in vacuum is given by 40 cos (kz - 6 × 10-8t), where E, z and t are in v...The electric and magnetic field, associated with an e.m. wave, propagating along the +z-axis, be represented by...The energy of electromagnetic wave in vacuum is given by the relation...Out of the following options which one can be used to produce a propagating electromagnetic wave?...Match the List-I with List-II List-I List-II A Radio-wave I is produced by Magnetron value B Micro-wave II Due to change...