All electromagnetic waves travel through a vacuum at ______?

تمام برقی مقناطیسی لہریں ______ پر خلا کے ذریعے سفر کرتی ہیں؟

The different speed

The same speed

The increasing speed

The decreasing speed

All electromagnetic waves (like light, X-rays, and radio waves) travel through a vacuum at the same constant speed.

It is approximately 3 × 10⁸ meters per second.

This speed is known as the speed of light in a vacuum.