Q.

Assertion: Both regular as well as irregular reflection obeys the laws of reflection.

Reason: In the case of regular and irregular reflection, the angle of incidence is always equal to the angle of reflection.

Which of the following is the correct choice?

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a

Both assertion and reason are incorrect.

b

The assertion is correct, but the reason is incorrect

c

The assertion is incorrect, but the reason is correct

d

Both assertion and reason are correct, and the reason is the correct explanation of the assertion

answer is D.

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Detailed Solution

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Assertion: Regular and irregular reflection obeys the laws of reflection.
Regular and irregular reflection both adhere to the laws of reflection. The angle of incidence, which is the angle between the incident light ray and the surface normal is always equal to the angle of reflection, the angle between the reflected light ray and the surface normal. Regular reflection occurs on smooth surfaces like mirrors, while irregular reflection occurs on rough surfaces. Despite the scattering of light in irregular reflection, the average angles of incidence and reflection remain equal.


Reason: In the case of regular or irregular reflection, the angle of incidence is always equal to the angle of reflection.
The angle of incidence and reflection are always equal in both situations. Since there are two different types of reflections, regular and irregular reflections, they adhere to the laws of reflection. It provides a precise explanation of the phenomenon referred to in the assertion.
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Hence, Both assertion and reason are correct, and the reason is the correct explanation of assertion.

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