Light from the Sun passes through a prism and a spectrum is produced on a screen. A thermometer placed at point X shows a temperature increase. For the given diagram, which type of radiation causes this temperature increase? Select the most appropriate option.

Light from the Sun passes through a prism and a spectrum is produced o

1.	Light from the Sun passes through a prism and a spectrum is produced on a screen. A thermometer placed at point X shows a temperature increase. For the given diagram, which type of radiation causes this temperature increase? Select the most appropriate option.
A.	Infra-red Rays
B.	X-rays
C.	Ultraviolet Rays
D.	Visible light
Answer» B. X-rays