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CBSE Questions for Class 6 Physics Light Shadows And Reflections Quiz 5 - MCQExams.com
CBSE
Class 6 Physics
Light Shadows And Reflections
Quiz 5
Assertion: Shadow forms when light falls on a wooden block.
Reason: Wood is an example of an opaque object.
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Both Assertion and Reason are true and Reason is the correct explanation of Assertion
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Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
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Assertion is true but Reason is false
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Assertion is false but Reason is true
Explanation
Shadow forms when light falls on a wooden block because wood is an example of an opaque object. Opaque objects do not allow light to pass through them. Shadows are formed when an opaque object comes in the path of light.
Which of these is not a part of a pinhole camera?
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Box
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Tiny hole
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Lens
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None of these
Explanation
lens
A pinhole camera is a simple optical device that forms an image without using a lens or a mirror.
Write true or false for statement
A shadow is formed because light travels in a straight line path.
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True
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False
Explanation
Shadows are formed because light rays travels in a straight line, and they cannot bend round the corners of the objects. The shape of the shadow is also the same as the shape of the object because light travels in a straight line path. When a bird is on the ground, we can see its shadow which is formed by sunlight.
A pinhole camera consists of a box that has a large no. of holes in it.
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True
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False
Explanation
False.
A pinhole camera consists of a box with a very tiny hole on one of its sides.
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