Which of the following statements are correct?

A. In a region of free space with electric field E, there is an energy density $\frac{1}{2}ε_0E^2$
B. An electromagnetic wave contains both electric and magnetic field.
C. Electromagnetic waves do not exert pressure
D. Hertz could not establish the wave nature of radiation.
E. No material medium is required for vibrations of electric field and magnetic field.

Choose the correct answer from the options given below:

A, B and E only

The correct answer is Option (2) → A, B and E only