WorksheetsELCA Physics - Light and Shadow
Total questions: 10
Worksheet time: 5mins
When looking at a shadow, the _______ is the part of the shadow that receives no light.
crux
umbra
totality
eclipse
True or False: When looking at a mirror, the image that a person sees appears to be behind the mirror. This image is called a virtual image.
True
False
A ray of light that strikes the mirror at a certain angle. This angle is called the "angle of ____".
accountability
divergence
incidence
acuteness
The part of a shadow around the edges that is fuzzy, and not very sharp is called the ______.
penumbra
fuzzy logic
Van Allen Belt
stigmatism
A shadow has two parts: the _____ and the _____.
hook; ladder
umbrella; penultimate
cream; clear
umbra; penumbra
If the angle of incidence is 65° , then the angle of reflection is ____.
90°
obtuse
acute
65°
The Law of Reflection states that the angle of incidence is ____ the angle of reflection.
equal to
greater than
less than
parallel
True/False: If a vampire looks into a mirror and sees only his fangs, he will see only his fangs even if he backs away from the mirror by 5 feet.
True
False
True/False: A light wave requires a medium through which to travel
True
False
True/False: A light wave is a longitudinal (or compression) wave.
True
False
