Physics 1260 exam 3 DeWitt
Questions with Answers 100% PASS
Most waves in the electromagnetic spectrum are... - CORRECT ANSWER-
Invisible
Electromagnetic waves consist of... - CORRECT ANSWER-Oscillating electric
and magnetic fields
Which of the following cannot travel in a vacuum (free space)? - CORRECT
ANSWER-Sound waves
The fact that you can see stars in the nighttime sky is evidence that... - CORRECT
ANSWER-Our atmosphere is transparent to visible light and light can travel in a
vacuum
Light is reflected when... - CORRECT ANSWER-Incident light is returned to the
medium from which it came
When sunlight illuminates a page from your book it... - CORRECT ANSWER-
Reflects most of it and absorbs at the text lettering
, Light travels from one place to another along a path of least... - CORRECT
ANSWER-Time
Fermat's Principle applies to both... - CORRECT ANSWER-Reflection and
Refraction
The inversion of your image in a plane mirror is actually an inversion of... -
CORRECT ANSWER-Left-Right and Front-Back
Refraction occurs when light passing from one medium to another... - CORRECT
ANSWER-Changes speed
When a light ray in air enters water at 15 degrees from the normal it... -
CORRECT ANSWER-Always bends toward the normal
Which are the consequences of different speeds of light in different media? -
CORRECT ANSWER-Mirages, Rainbows, Brilliant colors of diamonds
The type of lens that SPREADS parallel light is a... - CORRECT ANSWER-
Diverging Lens
The type of lens that BRINGS parallel light together is a... - CORRECT
ANSWER-Converging Lens
Snell's Law: From LOW n to HIGH n, a transmitted ray is bent, or refracted... -
CORRECT ANSWER-Toward the normal
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Questions with Answers 100% PASS
Most waves in the electromagnetic spectrum are... - CORRECT ANSWER-
Invisible
Electromagnetic waves consist of... - CORRECT ANSWER-Oscillating electric
and magnetic fields
Which of the following cannot travel in a vacuum (free space)? - CORRECT
ANSWER-Sound waves
The fact that you can see stars in the nighttime sky is evidence that... - CORRECT
ANSWER-Our atmosphere is transparent to visible light and light can travel in a
vacuum
Light is reflected when... - CORRECT ANSWER-Incident light is returned to the
medium from which it came
When sunlight illuminates a page from your book it... - CORRECT ANSWER-
Reflects most of it and absorbs at the text lettering
, Light travels from one place to another along a path of least... - CORRECT
ANSWER-Time
Fermat's Principle applies to both... - CORRECT ANSWER-Reflection and
Refraction
The inversion of your image in a plane mirror is actually an inversion of... -
CORRECT ANSWER-Left-Right and Front-Back
Refraction occurs when light passing from one medium to another... - CORRECT
ANSWER-Changes speed
When a light ray in air enters water at 15 degrees from the normal it... -
CORRECT ANSWER-Always bends toward the normal
Which are the consequences of different speeds of light in different media? -
CORRECT ANSWER-Mirages, Rainbows, Brilliant colors of diamonds
The type of lens that SPREADS parallel light is a... - CORRECT ANSWER-
Diverging Lens
The type of lens that BRINGS parallel light together is a... - CORRECT
ANSWER-Converging Lens
Snell's Law: From LOW n to HIGH n, a transmitted ray is bent, or refracted... -
CORRECT ANSWER-Toward the normal
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
