Question

(a) Identify the part of the electromagnetic spectrum used in (i) radar and (ii) eye surgery. Write their frequency range.
(b) Prove that the average energy density of the oscillating electric field is equal to that of the oscillating magnetic field.

Answer 1

Electromagnetic spectrum used in radar and eye surgery.

Explanation:

• Radar depends a bit on the angular width of its beam to determine the coordinates of its target.
• Ships radar normally uses frequencies to a wavelength of about 4cm which manages to obtain beamwidth of 1-degree angle.
• Flaming radiation is used in eye surgery because of the heating property of infrared radiation.
• 20 to 30 MHz has a penetration of about 10 mm and can be used for the posterior pole evaluation of the retina and choroid.

Learn more about it.

Electromagnetic Waves Electromagnetic Waves

https://brainly.in/question/4762638