Question

You learned about the general concept of parallax in Chapter 2, and the video offers a review of the basic ideas. To check your understanding of the concept, which of the following is a valid way of demonstrating parallax for yourself?
a. Look up at a star, and notice how it moves toward the western horizon during the night.
b. Hold up your hand in front of your face, and alternately close your left and right eyes.
c. Hold up your hand in front of your face, and move it slowly back and forth.
d. Get a camera, and photograph a person who is running back and forth.

Answer 1

Answer:

b.

Explanation:

Parallax is the effect whereby the position or the direction of an object appears to differ, when viewed from different positions. e.g. through the view finder and lens of the camera.

a valid way of demonstrating parallax for yourself is by b.Hold up your hand in front of your face, and alternately close your left and right eyes.