What happens to a mirror when a ray is directed at it
1 answer:
You might be interested in
As per Definition of acceleration we know that rate of change in velocity of object is known as acceleration
so when we apply push on an object that push or applied force will change the velocity of object always
so correct answer must be
a.) changed the velocity
Explanation:
A molecule can be made up from same or different elements. Whereas a compound will have different atoms.
Therefore, the difference between a molecule and a compound is that a compound is made up of atoms from different elements.
For example, is a molecule and NaCl is a compound.
And a chemical change creates a new substance.