Light is traveling in the air and suddenly hits a glass window. Does the light speed up, slow down, or continue traveling at the same speed when it enters the glass?

Continues traveling at the same speed

You are on a diving board looking down into a pool. You see a quarter at the bottom of the pool, about three feet in front of you. Why is the quarter really not 3 feet in front of you?

The quarter is not really 3 feet in front of you because as the light from the quarter leaves the pool water, it bends. This causes a false image.

The quarter is not really 3 feet in front of you because the trajectory of your vision into the water is skewed from the chlorine added to the pool water. This causes a false image.

The quarter is not really 3 feet in front of you because logically you would not jump or dive off a diving board into only 3 feet of water without breaking your neck.

What does the eye do to change its focus?

The eye changes the shape of the lens

The eye changes the size of its pupil.

The eye changes the shape of the cornea.

The eye changes the size of the iris.

Physical Science Test Quiz: Trivia!

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| By Pattep38

Pattep38

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Quizzes Created: 11 | Total Attempts: 16,119

Questions: 12 | Attempts: 2,534 | Updated: Mar 21, 2023

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Questions and Answers

1.

A transverse wave composed of an oscillating electric field and a magnetic field that oscillates perpendicular to the electric field is called:
- A.
  
  Radio Wave
- B.
  
  Electric Wave
- C.
  
  Magnetic Wave
- D.
  
  Electromagnetic Wave
Correct Answer
D. Electromagnetic Wave

Explanation
An electromagnetic wave is a transverse wave composed of an oscillating electric field and a magnetic field that oscillates perpendicular to the electric field. This type of wave is commonly observed in various forms of radiation, including radio waves, microwaves, infrared waves, visible light, ultraviolet waves, X-rays, and gamma rays. The term "electromagnetic" refers to the close relationship between the electric and magnetic fields, as they are intertwined and propagate through space together. Therefore, an electromagnetic wave is the correct term to describe this type of wave.

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2.

The angle of reflection equals the angle of incidence. This is called the Law of:
- A.
  
  Inspection
- B.
  
  Relativity
- C.
  
  Reflection
- D.
  
  Transversity
Correct Answer
C. Reflection

Explanation
The law of reflection states that the angle of reflection is equal to the angle of incidence. This means that when a ray of light strikes a reflective surface, it will bounce off at the same angle it hit the surface. This law is fundamental in understanding how light behaves when it interacts with mirrors and other reflective surfaces.

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1
0
3.

Light is made up of individual packets. Each packet is made up of two perpendicular transverse waves: one that consists of an oscillating electrical field, and one that is made up of an oscillating magnetic field.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Light is indeed made up of individual packets called photons. Each photon consists of two perpendicular transverse waves: one that consists of an oscillating electrical field and one that is made up of an oscillating magnetic field. This phenomenon is known as electromagnetic radiation and is a fundamental characteristic of light. Therefore, the given answer "True" is correct.

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4.

Light is traveling in the air and suddenly hits a glass window. Does the light speed up, slow down, or continue traveling at the same speed when it enters the glass?
- A.
  
  Speeds up
- B.
  
  Slows down
- C.
  
  Continues traveling at the same speed
Correct Answer
B. Slows down

Explanation
When light travels from air to glass, it slows down. This is because the speed of light is different in different mediums. In air, light travels at a certain speed, but when it enters the glass, its speed decreases. This change in speed is caused by the change in the refractive index of the medium. The refractive index of glass is higher than that of air, so the light waves bend and slow down as they pass through the glass. Therefore, the correct answer is that the light slows down when it enters the glass.

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5.

Which has a higher frequency: green light or yellow light?
- A.
  
  Green Light
- B.
  
  Yellow Light
Correct Answer
A. Green Light

Explanation
Green light has a higher frequency compared to yellow light. Frequency refers to the number of complete cycles of a wave that occur in a given time period. In the visible light spectrum, green light has a shorter wavelength and higher frequency than yellow light. This means that green light waves oscillate more times in a given time period compared to yellow light waves.

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6.

Which has longer wavelengths: ultraviolet rays or radio waves?
- A.
  
  Ultraviolet rays
- B.
  
  Radio waves
Correct Answer
B. Radio waves

Explanation
Radio waves have longer wavelengths compared to ultraviolet rays. Wavelength is the distance between two consecutive points in a wave. Radio waves have longer wavelengths, ranging from a few millimeters to several kilometers, while ultraviolet rays have shorter wavelengths, ranging from 10 nanometers to 400 nanometers. This means that radio waves have lower frequencies and less energy compared to ultraviolet rays.

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7.

You are on a diving board looking down into a pool. You see a quarter at the bottom of the pool, about three feet in front of you. Why is the quarter really not 3 feet in front of you?
- A.
  
  The quarter is not really 3 feet in front of you because as the light from the quarter leaves the pool water, it bends. This causes a false image.
- B.
  
  The quarter is not really 3 feet in front of you because the trajectory of your vision into the water is skewed from the chlorine added to the pool water. This causes a false image.
- C.
  
  The quarter is not really 3 feet in front of you because logically you would not jump or dive off a diving board into only 3 feet of water without breaking your neck.
Correct Answer
A. The quarter is not really 3 feet in front of you because as the light from the quarter leaves the pool water, it bends. This causes a false image.

Explanation
The quarter is not really 3 feet in front of you because as the light from the quarter leaves the pool water, it bends. This causes a false image. When light passes from one medium to another (in this case, from water to air), it changes speed and direction, resulting in the bending of light rays. This phenomenon is known as refraction. As a result, the position of the quarter appears to be closer to the surface of the water than it actually is.

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8.

You want to concentrate light coming from a weak light source by focusing it all on a single point. Would you use a converging or diverging lens to do this?
- A.
  
  Converging Lens
- B.
  
  Diverging Lens
Correct Answer
A. Converging Lens

Explanation
A converging lens is used to concentrate light coming from a weak light source by focusing it all on a single point. This type of lens is thicker in the middle and causes light rays to converge towards a focal point. By using a converging lens, the light rays can be brought together and concentrated at a single point, resulting in a brighter and more focused light source.

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9.

What does the eye do to change its focus?
- A.
  
  The eye changes the size of its pupil.
- B.
  
  The eye changes the shape of the cornea.
- C.
  
  The eye changes the shape of the lens
- D.
  
  The eye changes the size of the iris.
Correct Answer
C. The eye changes the shape of the lens

Explanation
The eye changes the shape of the lens in order to change its focus. The lens is a flexible structure that can adjust its shape to bend incoming light rays. When the lens becomes thicker, it increases its refractive power, allowing it to focus on objects that are closer. On the other hand, when the lens becomes thinner, it decreases its refractive power, enabling it to focus on objects that are farther away. This adjustment in lens shape allows the eye to maintain clear vision at different distances.

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10.

For problems 10 - 12, remember that blue + green = cyan, red + blue = magenta, and red + green = yellow. If a computer monitor makes a green dot and then puts a blue dot in the same place, what color will you see?
- A.
  
  Blue
- B.
  
  Green
- C.
  
  Cyan
- D.
  
  White
Correct Answer
C. Cyan

Explanation
When a green dot is placed on a computer monitor and then a blue dot is placed in the same spot, the colors will mix together. According to the given information, green + blue equals cyan. Therefore, the color that will be seen is cyan.

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11.

For problems 10 - 12, remember that blue + green = cyan, red + blue = magenta, and red + green = yellow. If cyan and magenta ink is mixed, what color ink will you get?
- A.
  
  Blue
- B.
  
  Green
- C.
  
  Red
- D.
  
  White
Correct Answer
A. Blue

Explanation
When cyan and magenta ink are mixed, the resulting color is blue. This is because according to the given information, blue and green make cyan, and red and blue make magenta. Therefore, when cyan (made from blue and green) and magenta (made from red and blue) are combined, the common color between them is blue.

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12.

For problems 10 - 12, remember that blue + green = cyan, red + blue = magenta, and red + green = yellow. If you shine a red light on a yellow shirt, what color will the shirt appear? Assume the shirt color is done with dyes that use the subtractive primary colors.
- A.
  
  Red
- B.
  
  Green
- C.
  
  Yellow
- D.
  
  White
Correct Answer
A. Red

Explanation
When a red light shines on a yellow shirt, the shirt will appear red. This is because when red light is shone on a yellow object, the yellow object absorbs all the colors except for yellow, which is reflected back to our eyes. Therefore, the shirt will appear red.

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Current Version
Mar 21, 2023

Quiz Edited by
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Apr 23, 2013

Quiz Created by
Pattep38

Physical Science Test Quiz: Trivia!

A transverse wave composed of an oscillating electric field and a magnetic field that oscillates perpendicular to the electric field is called:

The angle of reflection equals the angle of incidence. This is called the Law of:

Light is made up of individual packets. Each packet is made up of two perpendicular transverse waves: one that consists of an oscillating electrical field, and one that is made up of an oscillating magnetic field.

Light is traveling in the air and suddenly hits a glass window. Does the light speed up, slow down, or continue traveling at the same speed when it enters the glass?

Which has a higher frequency: green light or yellow light?

Which has longer wavelengths: ultraviolet rays or radio waves?

You are on a diving board looking down into a pool. You see a quarter at the bottom of the pool, about three feet in front of you. Why is the quarter really not 3 feet in front of you?

You want to concentrate light coming from a weak light source by focusing it all on a single point. Would you use a converging or diverging lens to do this?

What does the eye do to change its focus?

For problems 10 - 12, remember that blue + green = cyan, red + blue = magenta, and red + green = yellow. If a computer monitor makes a green dot and then puts a blue dot in the same place, what color will you see?

For problems 10 - 12, remember that blue + green = cyan, red + blue = magenta, and red + green = yellow. If cyan and magenta ink is mixed, what color ink will you get?

For problems 10 - 12, remember that blue + green = cyan, red + blue = magenta, and red + green = yellow. If you shine a red light on a yellow shirt, what color will the shirt appear? Assume the shirt color is done with dyes that use the subtractive primary colors.