Experimenting is part of the scientific method.
Indicate whether the statement is true or false
[Ques. 2] What is the focal point of a convex or concave mirror?
a. The point at the center of the mirror.
b. The point halfway between the mirror and the center of the sphere that the mirror is part of.
c. The point at the center of the sphere that the mirror surface is part of.
d. The point halfway between the mirror and sphere center for a convex mirror, but at the center of the sphere for a concave mirror.
e. The point at the center of the object the mirror is reflecting.
[Ques. 3] The maximum possible speed in nature is the speed of light.
Indicate whether the statement is true or false
[Ques. 4] What is the optic axis of a concave mirror?
a. The line along which light reflects from the mirror.
b. The line from one edge of the mirror to the other, marking off the mirror's arc.
c. Any line that is perpendicular to the mirror surface.
d. The line that passes through the center of the mirror and the center of the sphere that the mirror surface is part of.
e. The line perpendicular to the plane of the mirror.
[Ques. 5] The period of oscillation for a signal having a frequency of 60 Hz is 60 seconds.
Indicate whether the statement is true or false
[Ques. 6] A convex mirror:
a. produces a larger image and a smaller field of view.
b. produces a larger image and a larger field of view.
c. produces a smaller image and a larger field of view.
d. produces a smaller image and a smaller field of view.
e. does not change the image size but makes the view smaller.
[Ques. 7] The time for one complete cycle of a periodic process to take place is called the period.
Indicate whether the statement is true or false
[Ques. 8] What do retro reflectors do?
a. Serve as a substitute for tail lights on cars.
b. Cause light to pass through a mirror instead of reflecting it back.
c. Cause light to reflect back in a straight line parallel to the direction it hits the mirror.
d. Change the color at which light reflects back from a mirror by using filters.
e. Cause the light to reflect at a right angle to the direction it hits the mirror.
[Ques. 9] The number of cycles of a periodic process that occur per unit time is called the period.
Indicate whether the statement is true or false
[Ques. 10] If two mirrors are at a right (90) angle to one another and an object is placed between them:
a. only one of them reflects the object; the other one only reflects reflections of the object.
b. there is only a single image of the object in each mirror.
c. they both show the exact same thing.
d. they each show exactly three reflections.
e. they each show an infinite series of reflections.
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