Tell me similarities and differences between light and sound waves.

i need them for a writing assignment due in 2 !

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving