Using current technology, useful parallax measurements can only be found for stars up to about 340 light years (100 parsecs) away.
Answer: Transverse waves have motion perpendicular to velocity, while longitudinal waves have motion parallel to velocity.
Explanation:
Transverse waves are characterized by the fact that the particles of the medium in which they propagate move transversely to the direction of propagation of the wave.
In other words,<u> its displacement is perpendicular to the direction of propagation of the wave</u>, being a good example the circular waves in the water.
On the other hand, Longitudinal waves are characterized by the fact that <u>the oscillation of the particles in the medium is parallel to the direction of propagation of the wave.</u> A good example of this is the sound wave.
Answer:
Good question to ask in physics, sir maam
Answer:
1. Battery
2. Copper wire
3. Nail or piece of metal (zinc, iron, or steel).
