The star Betelgeuse is red. Our sun is yellow. Sirius is blue. The planet Jupiter emits infra-red radiation. Of these objects, the highest surface temperature is on
(A) Betelgeuse.
(B) Our sun.
(C) Sirius.
(D) Jupiter.
The star Betelgeuse is red. Our sun is yellow. Sirius is blue. The planet Jupiter emits infra-red radiation. Of these objects, the highest surface temperature is on
(A) Betelgeuse. --- No.
Red light has lower frequency than yellow.
The star Betelgeuse is red. Our sun is yellow. Sirius is blue. The planet Jupiter emits infra-red radiation. Of these objects, the highest surface temperature is on
(B) Our sun. --- No. Yellow light does not
have the highest frequency on the list.
The star Betelgeuse is red. Our sun is yellow. Sirius is blue. The planet Jupiter emits infra-red radiation. Of these objects, the highest surface temperature is on
(C) Sirius. --- Yes. Blue light has the highest
frequency, so it's the hottest.
The star Betelgeuse is red. Our sun is yellow. Sirius is blue. The planet Jupiter emits infra-red radiation. Of these objects, the highest surface temperature is on
(D) Jupiter. --- No. Infra-red radiation
has lower frequency than visible light.