An image seen in a smooth dinner plate is an example of reflection.
a. diffuse
c. regular
b. normal
d. scattered

The correct answer is letter C, regular reflection.

An image seen in a smooth dinner plate is an example of a regular reflection. This phenomenon only occurs in smooth and polished surfaces. During this stage light occurs at a certain angle and is reflected back at the same angle producing reflections in a way like a mirror does this commonly.

spectral lines lyman is one set

heat the gas and measure the pressure