Question Info

This question is public and is used in 17 tests or worksheets.

Type: Multiple-Choice
Category: Stars
Level: Grade 9
Author: der1228
Last Modified: 2 years ago

View all questions by der1228.

Stars Question

View this question.

Add this question to a group or test by clicking the appropriate button below.

Grade 9 :: Stars

by der1228
When a light source approaches an observer its                     
  1. pitch becomes lower
  2. pitch becomes higher
  3. light becomes bluer
  4. light becomes redder
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.