Year 1972
if I'm not wrong :)
Hello,
Your answer to this problem is 400/3
Hope this helps!
Answer:
Part a)

Part b)

Part c)


Explanation:
Part a)
As we know that frequency = 1 MHz
speed of electromagnetic wave is same as speed of light
So the wavelength is given as



Part b)
As we know the relation between electric field and magnetic field



Part c)
Intensity of wave is given as



Pressure is defined as ratio of intensity and speed


bonsoir, je peux vous aider avec les maths laissez-moi comprendre merci