Translations — Unit test

Question 1

What are the coordinates of C’?

Revolt · Accepted Answer

C’(4, –2)

Question 2

Which part of the electromagnetic spectrum is nearest to X-rays?

Revolt · Accepted Answer

gamma rays

Question 3

Donna shines a flashlight and a laser pointer on a sheet of paper. She holds each device at an equal distance from the paper. How does the light hitting the paper from each device appear different?

Revolt · Accepted Answer

The light from the flashlight lights up a larger area of the paper.

Question 4

Ingrid says that a red ball of clay appears red because the clay reflects red wavelengths. Simon says that the clay appears red because it allows red wavelengths to pass through it.Which statement best explains who is correct?

Revolt · Accepted Answer

Ingrid is correct. The clay appears red because it reflects red wavelengths.

Question 5

Which types of electromagnetic waves have wavelengths that are longer than those of visible light but shorter than those of microwaves?

Revolt · Accepted Answer

infrared light

Question 6

Leon sees a poster that shows a lake in front of a snow-capped mountain. The mountain appears upside down in the lake.

Revolt · Accepted Answer

The surface of the lake is smooth.

Question 7

Bees can see into the ultraviolet region of the electromagnetic spectrum. Compared with humans, bees can sense electromagnetic waves that have

Revolt · Accepted Answer

a higher frequency and a shorter wavelength.

Question 8

Amara draws the ray diagram shown.Which describes Amara’s mistake?

Revolt · Accepted Answer

Ray 2 should cross through the focal point on the right side of the lens.

Question 9

An angle of refraction is the angle between the refracted ray and the

Revolt · Accepted Answer

normal.

Question 10

A doctor uses an instrument(s) that emits light and allows the doctor to view the inside of a patient’s intestine.

Revolt · Accepted Answer

fiber optics

Translations — Unit test Answers

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