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Q.

Pick the correct statements.


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a

Reflection is the phenomenon of change in the path of light rays in a particular direction into the same medium again. The reflecting surfaces of all types obey the laws of reflection.

b

When a ray of light enters from one medium into another obliquely, the direction of propagation of the light in the second medium changes. This is called the refraction of light. The refracting surfaces obey the laws of refraction.

c

Both 1 and 2

d

None 

answer is C.

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Detailed Solution

Both 1 and 2 are Correct.
If a light ray is an incident on a polished surface, it reflects back into the same medium. This phenomenon of light is called the reflection of light. All reflecting surfaces follow the laws of reflection.
Question ImageWhen a light ray moves from one medium to another, it refracts as it changes the medium. This phenomenon of light is called refraction.
Question Image 
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