GK
ELEMENTS COMPOUNDS SUBSTANCES METALS AND NON METALS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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dull
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mirror
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opaque
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none of them
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Detailed explanation-1: -Objects cannot be seen through opaque materials because light does not passes through them.
Detailed explanation-2: -Opaque materials either reflect or absorb any incident light. As a result, light rays cannot pass through opaque materials. Wood, stone, etc., are opaque materials. Translucent materials allow partial transmission of light through them.
Detailed explanation-3: -The materials through which light cannot pass is called opaque objects. This means that you cannot see through these type of objects. Examples of an opaque object include wood, brick, notebook etc.
Detailed explanation-4: -Some objects are opaque. This means that no light is able to pass through them. For example, you are opaque. Like you did with the paper, hold your hand up to a light source.
Detailed explanation-5: -Concrete, wood, and metal are some examples of opaque materials. Some materials can be opaque to light, but not to other types of electromagnetic waves.