PHYSICS 1260 ACTUAL EXAM REVIEW 2026
SOLVED QUESTIONS DETAILED EXPLANATIONS
GRADED A+
◉ Electromagnetic waves consist of.... Answer: Oscillating electric and
magnetic fields
◉ Which of the following cannot travel in a vacuum (free space)?.
Answer: Sound waves
◉ The fact that you can see stars in the nighttime sky is evidence that....
Answer: Our atmosphere is transparent to visible light and light can
travel in a vacuum
◉ Light is reflected when.... Answer: Incident light is returned to the
medium from which it came
◉ When sunlight illuminates a page from your book it.... Answer:
Reflects most of it and absorbs at the text lettering
◉ Light travels from one place to another along a path of least....
Answer: Time
,◉ Fermat's Principle applies to both.... Answer: Reflection and
Refraction
◉ The inversion of your image in a plane mirror is actually an inversion
of.... Answer: Left-Right and Front-Back
◉ Refraction occurs when light passing from one medium to another....
Answer: Changes speed
◉ When a light ray in air enters water at 15 degrees from the normal
it.... Answer: Always bends toward the normal
◉ Which are the consequences of different speeds of light in different
media?. Answer: Mirages, Rainbows, Brilliant colors of diamonds
◉ The type of lens that SPREADS parallel light is a.... Answer:
Diverging Lens
◉ The type of lens that BRINGS parallel light together is a.... Answer:
Converging Lens
◉ Snell's Law: From LOW n to HIGH n, a transmitted ray is bent, or
refracted.... Answer: Toward the normal
, ◉ Snell's Law: From HIGH n to LOW n, a transmitted ray is bent, or
refracted.... Answer: Away from the normal
◉ The index of refraction from crown glass, common in eyeglasses, is
1.52. The index of refraction of a particular plastic lens is 1.76. Light
bends more in the.... Answer: Plastic lens
◉ The image of the "infinitely-far-away" Sun produced by a converging
lens appears.... Answer: At the focal point
◉ A "pinhole camera" has no lens. The tiny pinhole opening ensures that
rays of light from different parts of an object.... Answer: Don't overlap
◉ In a converging lens, objects infinitely far away are focused....
Answer: At the focal point
◉ When taking a photo of a nearby flower, your camera lens should be
set.... Answer: Farther than one focal length from the photosensitive
surface
◉ Which of the following can be projected onto a viewing screen?.
Answer: Real image
SOLVED QUESTIONS DETAILED EXPLANATIONS
GRADED A+
◉ Electromagnetic waves consist of.... Answer: Oscillating electric and
magnetic fields
◉ Which of the following cannot travel in a vacuum (free space)?.
Answer: Sound waves
◉ The fact that you can see stars in the nighttime sky is evidence that....
Answer: Our atmosphere is transparent to visible light and light can
travel in a vacuum
◉ Light is reflected when.... Answer: Incident light is returned to the
medium from which it came
◉ When sunlight illuminates a page from your book it.... Answer:
Reflects most of it and absorbs at the text lettering
◉ Light travels from one place to another along a path of least....
Answer: Time
,◉ Fermat's Principle applies to both.... Answer: Reflection and
Refraction
◉ The inversion of your image in a plane mirror is actually an inversion
of.... Answer: Left-Right and Front-Back
◉ Refraction occurs when light passing from one medium to another....
Answer: Changes speed
◉ When a light ray in air enters water at 15 degrees from the normal
it.... Answer: Always bends toward the normal
◉ Which are the consequences of different speeds of light in different
media?. Answer: Mirages, Rainbows, Brilliant colors of diamonds
◉ The type of lens that SPREADS parallel light is a.... Answer:
Diverging Lens
◉ The type of lens that BRINGS parallel light together is a.... Answer:
Converging Lens
◉ Snell's Law: From LOW n to HIGH n, a transmitted ray is bent, or
refracted.... Answer: Toward the normal
, ◉ Snell's Law: From HIGH n to LOW n, a transmitted ray is bent, or
refracted.... Answer: Away from the normal
◉ The index of refraction from crown glass, common in eyeglasses, is
1.52. The index of refraction of a particular plastic lens is 1.76. Light
bends more in the.... Answer: Plastic lens
◉ The image of the "infinitely-far-away" Sun produced by a converging
lens appears.... Answer: At the focal point
◉ A "pinhole camera" has no lens. The tiny pinhole opening ensures that
rays of light from different parts of an object.... Answer: Don't overlap
◉ In a converging lens, objects infinitely far away are focused....
Answer: At the focal point
◉ When taking a photo of a nearby flower, your camera lens should be
set.... Answer: Farther than one focal length from the photosensitive
surface
◉ Which of the following can be projected onto a viewing screen?.
Answer: Real image
