Question

Anna studies the color of her bedroom wall using different lights. In sunlight, she sees that the wall is white. Anna darkens the room and shines a beam of light that includes all the wavelengths of visible light onto the wall. In this light, what’s the wall color that Anna sees?

a.) no color

b.) all seven colors of visible light

c.) red

d.) white

e.) black

Answer 1

white

Step-by-step explanation:

usually, white light splits into the band of seven colors when passed through the prism, but it's since it it shined upon a opaque wall it doesn't.

Answer 2

Answer: The correct answer is option(d).

Step-by-step explanation:

The light given by the combination of the all the seven colors is white color.

Generally white light splits into the band of seven colors when passed through the prism which is known as spectrum.

When the Anna shines a beam of light that includes all the wavelengths of visible light onto the wall she will observe the white light on the wall of the darken room.

Hence, the correct option is (d).