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Year 8 Exam  >  Year 8 Tests  >  Test: Light - Year 8 MCQ

Test: Light - Year 8 MCQ


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10 Questions MCQ Test - Test: Light

Test: Light for Year 8 2024 is part of Year 8 preparation. The Test: Light questions and answers have been prepared according to the Year 8 exam syllabus.The Test: Light MCQs are made for Year 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Light below.
Solutions of Test: Light questions in English are available as part of our course for Year 8 & Test: Light solutions in Hindi for Year 8 course. Download more important topics, notes, lectures and mock test series for Year 8 Exam by signing up for free. Attempt Test: Light | 10 questions in 20 minutes | Mock test for Year 8 preparation | Free important questions MCQ to study for Year 8 Exam | Download free PDF with solutions
Test: Light - Question 1
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In a ray diagram, a normal is a line drawn at what angle to the surface?

Detailed Solution for Test: Light - Question 1

In a ray diagram, a normal is a line drawn perpendicular (at 90°) to the surface of the mirror or any other reflecting surface. The normal helps to visualize the angle of incidence and the angle of reflection in optics.

Test: Light - Question 2
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We usually look at our reflection in a flat mirror. This type of mirror is a .......

Detailed Solution for Test: Light - Question 2

A plane mirror is a flat mirror where the reflecting surface is a plane (flat). It reflects light without distorting the image, and the reflection preserves the size and shape of objects. Plane mirrors are commonly used in everyday applications such as bathroom mirrors and dressing mirrors.

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Test: Light - Question 3
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Which of the following is NOT luminous?

Detailed Solution for Test: Light - Question 3
A luminous object gives out light. The Moon reflects light but does not give out light of its own
Test: Light - Question 4
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Which of the following is translucent?
Detailed Solution for Test: Light - Question 4
Translucent means allowing light to pass through but diffusing it so that people and objects on the opposite side are not clearly visible. A frosted window is translucent but not transparent. Tracing paper is another example of a translucent material
Test: Light - Question 5
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In a flat mirror, the angle of incidence is equal to what?
Detailed Solution for Test: Light - Question 5
In actual fact, the same is true of curved mirrors but it is much more difficult to draw and measure
Test: Light - Question 6
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Which of the following statements is the correct reason we can see objects that are NOT luminous?
Detailed Solution for Test: Light - Question 6
If you went deep into a cave, a long way from the entrance and turned off your torch, you would not be able to see your hand if it was right in front of your face because there would not be enough light reflected into your eyes
Test: Light - Question 7
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What is the speed of light in a vacuum?
Detailed Solution for Test: Light - Question 7

The speed of light in a vacuum is approximately 300,000 kilometers per second (km/s), denoted by the symbol ccc.

Test: Light - Question 8
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Light can travel through which of the following?
Detailed Solution for Test: Light - Question 8
Light can travel through translucent material
Test: Light - Question 9
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Which phenomenon explains why a straw in a glass of water appears broken at the water surface?
Detailed Solution for Test: Light - Question 9

Refraction is the bending of light as it passes from one medium to another of different optical density. This bending causes the apparent shift in position of objects seen through different media, such as air and water.

Test: Light - Question 10
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What type of mirror always forms a virtual image that is upright and larger than the object?
Detailed Solution for Test: Light - Question 10

A convex mirror always forms a virtual image that is upright, diminished (smaller), and located behind the mirror. It is commonly used in rear-view mirrors in vehicles.

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Light MCQs with Answers

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