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Middle School: 6th, 7th and 8th Grade
Science
Light 1
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Q.1
In a ray diagram, a normal is a line drawn at .......
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180° to the mirror's surface
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45° to the mirror's surface
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60° to the mirror's surface
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90° to the mirror's surface
Q.2
Light travels .......
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Fastest in a vacuum
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Fastest in air
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Fastest in water
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Slower than sound
Q.3
Which of the following is translucent?
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A mirror
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Air
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Greaseproof paper
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The moon
Q.4
Light can travel through .......
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A luminous material
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A mirror
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A translucent material
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An opaque material
Q.5
Light travels in .......
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Circular lines
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Straight lines
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Wavy lines
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Zig zag lines
Q.6
In a flat mirror, the angle of incidence is equal to .......
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The angle of emergence
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The angle of reflection
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The angle of refraction
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The angle of transmission
Q.7
Objects with a smooth surface give .......
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Diffuse reflection
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Irregular reflection
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No reflection
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Regular reflection
Q.8
Which of the following is NOT luminous?
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A burning candle
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A car headlight (switched on)
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The moon
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The sun
Q.9
We can see objects because .......
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Our eyes give out light
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They bend light into our eyes
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They reflect light into our eyes
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They shine light into our eyes
Q.10
We usually look at our reflection in a flat mirror. This type of mirror is a .......
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Bi-concave mirror
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Concave mirror
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Convex mirror
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Plane mirror
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