In general knowledge terms, which wave requires a material medium to travel?
✅ B. Sound wave
Sound is a mechanical wave and requires a medium. Read more
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Take today’s challenge✅ B. Sound wave
Sound is a mechanical wave and requires a medium. Read more
✅ C. It increases
For typical metals, electrical resistance increases as temperature rises. Read more
✅ D. Lever
A lever is a rigid bar that rotates around a fulcrum. Read more
✅ A. Energy
The joule is the SI unit of energy and work. Read more
✅ D. Mass × velocity
Linear momentum is p = mv. Read more
✅ C. Reflection
Reflection is the return of light from a surface. Read more
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