Light Energy Quiz Questions And Answers

Reviewed by Matt Balanda
Matt Balanda, BS (Aerospace Engineering) |
Science Teacher
Review Board Member
Matt Balanda, a Calvary Chapel Christian School leader with a Bachelor's in Aerospace Engineering and Mathematics, transitioned from Aerospace Engineering to Education with a Master's from California Baptist University. As the High School Vice-Principal and Physics teacher, he nurtures students' love of learning and faith, creating an enriching and transformational educational experience.
 , BS (Aerospace Engineering)
By Deiotte
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Deiotte
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Quizzes Created: 3 | Total Attempts: 23,024
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  • 1/10 Questions

    Light travels in a _____________. 

    • Curved line
    • Straight line.
    • Line that narrows.
    • Line that projects.
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About This Quiz

Welcome to this interesting 'Light Energy Quiz' that is given below. Energy comes in different forms and light energy can be seen directly. This form of energy as discussed can be converted to other forms of energy and the main source of this energy on earth is the sun. Test out your knowledge of light energy by taking the interesting quiz below. Don’t forget to share it with your classmates. Good luck!

Light Energy Quiz Questions And Answers - Quiz

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  • 2. 

    When light bounces off a smooth, shiny surface, what process has occurred?

    • Refraction

    • Reflection

    • Transmission

    • Photosynthesis

    Correct Answer
    A. Reflection
    Explanation
    When light bounces off a smooth, shiny surface, the process that has occurred is reflection. This is because the light waves hit the surface and bounce back in the opposite direction without changing their direction or speed. Refraction refers to the bending of light as it passes through different mediums, transmission refers to the passage of light through a substance, and photosynthesis is the process by which plants convert light energy into chemical energy.

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  • 3. 

    Which statement explains why a pencil looks broken when placed in a cup of water?

    • Light is refracted as it moves from air to water

    • Light is reflected as it moves from air to water.

    • Light is absorbed as it moves from air to water.

    • Light is destroyed as it moves from air to water.

    Correct Answer
    A. Light is refracted as it moves from air to water
    Explanation
    When light travels from one medium to another with a different refractive index, such as air to water, it undergoes refraction. Refraction is the bending of light as it passes through the boundary between two different mediums. In this case, when the pencil is placed in a cup of water, the light rays from the pencil pass through the air-water boundary and are refracted. This bending of light causes the rays to change direction, resulting in the pencil appearing broken or distorted when viewed through the water.

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  • 4. 

    In what way is a mirror different from a stop sign?

    • The light (and all colors) bounce off the mirror.

    • No light bounces off the mirror.

    • Light passes through the mirror.

    • Light is absorbed into the mirror.

    Correct Answer
    A. The light (and all colors) bounce off the mirror.
    Explanation
    A mirror is different from a stop sign because when light hits a mirror, it reflects off the surface and bounces back, allowing us to see our reflection. In contrast, a stop sign does not reflect light in the same way. Instead, it absorbs and scatters light, which is why we see it as a solid color.

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  • 5. 

    A frosted window is ____________. 

    • Opaque.

    • Translucent.

    • Transmission.

    • Transparent.

    Correct Answer
    A. Translucent.
    Explanation
    A frosted window would be translucent because it allows some light to pass through but scatters it, making the objects on the other side blurry or unclear.

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  • 6. 

    We can see objects mainly because they __________. 

    • Bend light

    • Absorb light

    • Reflect light

    • Transmit light

    Correct Answer
    A. Reflect light
    Explanation
    Objects are visible to us because they reflect light. When light falls on an object, it interacts with its surface. Some of the light is absorbed by the object, but a significant portion is reflected back towards our eyes. This reflected light carries information about the object's color, texture, and shape, allowing us to perceive and see the object. Therefore, the ability of objects to reflect light is the main reason why we can see them.

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  • 7. 

    How is a rainbow formed?

    • The air during rain reflects all the colors of the rainbow.

    • The light is being absorbed by the raindrops.

    • The light is transmitted through the clouds which causes us to see a rainbow.

    • Light rays bend as they pass from air through drops of water.

    Correct Answer
    A. Light rays bend as they pass from air through drops of water.
    Explanation
    When light passes through drops of water in the air, it undergoes a process called refraction. This means that the light rays change direction as they pass from one medium (air) to another (water). As a result of this refraction, the different colors of light separate and spread out, forming a spectrum. This spectrum is what we perceive as a rainbow. Therefore, the correct answer is that light rays bend as they pass from air through drops of water.

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  • 8. 

    What happens when a material absorbs light?

    • Light energy is changed into heat energy.

    • Light rays bounce off the surface of the material.

    • Light rays are bent as they pass through the material.

    • Light rays are scattered as they pass through the material.

    Correct Answer
    A. Light energy is changed into heat energy.
    Explanation
    When light strikes a material and is absorbed, its energy is transferred to the atoms or molecules within that material. This energy is used to excite the electrons in the atoms or molecules, causing them to move to higher energy levels or become more energetic. As a result of this increased energy, the atoms and molecules start to vibrate more vigorously, and this vibrational motion is a manifestation of heat energy.
    In simpler terms, think of absorbed light as packets of energy being "captured" by the material. This captured energy raises the internal temperature of the material because the atoms or molecules are now moving more rapidly, creating what we perceive as heat.
    So, when a material absorbs light, it essentially transforms the incoming light energy into thermal (heat) energy within the material, leading to an increase in temperature. This is a fundamental process that occurs in various contexts, from sunlight warming the Earth's surface to the absorption of light by objects in our daily lives.

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  • 9. 

    Which object scatters light rays as they pass through it?

    • Opaque object

    • Black shirt

    • Translucent object

    • Transparent object

    Correct Answer
    A. Translucent object
    Explanation
    A translucent object scatters light rays as they pass through it. Unlike transparent objects that allow light to pass through without scattering, and opaque objects that do not allow light to pass through at all, translucent objects partially transmit light while also causing it to scatter. This scattering of light results in a blurred or diffused appearance, making it difficult to see objects clearly through the translucent material.

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  • 10. 

    What causes a blue block to appear blue in the sunlight?

    • The block absorbs all blue light.

    • The block bends (refracts) all blue light.

    • Only blue light is reflected by the block.

    • Only blue light passes through the block.

    Correct Answer
    A. Only blue light is reflected by the block.
    Explanation
    The correct answer is that only blue light is reflected by the block. This means that when sunlight hits the block, all the other colors of light are absorbed by the block, while the blue light is reflected back to our eyes. This reflection of blue light is what causes the block to appear blue in the sunlight.

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Matt Balanda |BS (Aerospace Engineering) |
Science Teacher
Matt Balanda, a Calvary Chapel Christian School leader with a Bachelor's in Aerospace Engineering and Mathematics, transitioned from Aerospace Engineering to Education with a Master's from California Baptist University. As the High School Vice-Principal and Physics teacher, he nurtures students' love of learning and faith, creating an enriching and transformational educational experience.

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  • Jan 05, 2024
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