Question

2) Define A) Reflection of light
B) Alloy
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Answer 1

Answer:

Reflection of light - Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves.

Alloy - An alloy is a combination of metals or metals combined with one or more other elements. For example, combining the metallic elements gold and copper produces red gold, gold and silver becomes white gold, and silver combined with copper produces sterling silver.

Explanation:

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Answer 2

Answer:

Reflection of light:-The bouncing back of Ray of light when it strikes on a polish surface (mirror) is called Reflection of light.

Alloy:- An alloy is a combination of metals or metals combined with one or more other elements. For example, combining the metallic elements gold and copper produces red gold, gold and silver becomes white gold, and silver combined with copper produces sterling silver.