Question

1 a Name four wave properties that are common to all members of the electromagnetic spectrum.​

Answer 1

Answer:

All electromagnetic waves:

are transverse waves;

can travel through a vacuum ;

travel at exactly the same speed in a vacuum, the speed of light, 300,000,000 m/s.

Explanation:

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Answer 2

Answer:

Electromagnetic waves are members of a family of waves with common properties called the electromagnetic spectrum.

...

All electromagnetic waves:

are transverse waves;

can travel through a vacuum ;

travel at exactly the same speed in a vacuum, the speed of light, 300,000,000 m/s.

Explanation: