Physics
Which one of the following is not a property of electromagnetic waves?

Oscillating electric field and magnetic field are perpendicular to each other.
Electromagnetic waves do not show interference and diffraction.
Electromagnetic waves do not require a medium to propagate.
Electromagnetic waves are transverse waves

ANSWER DOWNLOAD EXAMIANS APP

Physics
Which of the following is not a property of heavy water ?

Boiling point of heavy water is lower than that or ordinary water
Freezing point of heavy water is higher than that of ordinary water
It produces corrosion
Density of heavy water is higher than that of ordinary water

ANSWER DOWNLOAD EXAMIANS APP