Answer is Option C Lumen.It is also known as luminous energy.
Answer:
Sonography-A process in which machine generate a high frequency sound waves that bounch back or reflected from the surface creating echos that are then processed into images .
Ultrasound scans are used to detect problems in the liver, heart, kidney, or abdomen.
Explanation:
The dispersion of light is the phenomenon of splitting of a beam of white light into its seven constituent colours when passed through a transparent medium. It was discovered by Isaac Newton in 1666.
Answer:
A. become flat becuase the volume decreases when the temperature decreases
Explanation:
