Physics
Regular reflection occurs when a beam of light falls on a ……………
- smooth surface
- polished surface
- rough surface
- Both (a) and (b)
Reflection
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Answer
Both (a) and (b)
Reason — Regular reflection occurs when a beam of light falls on a smooth and polished surface, such as a plane mirror. The reflected beam is also parallel and it is in a fixed direction. It can be seen only from a particular direction.
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Related Questions
The angle which the …………… ray makes with the …………… at the point of incidence is called angle of incidence.
- reflected, mirror
- incidence, mirror
- incidence, normal
- reflected, normal
According to the law of reflection:
= Constant
= Constant
i + r = Constant
i = r
The image formed due to the actual intersection of the reflected rays is :
- virtual
- diminished
- real
- enlarged
The image formed by a plane mirror is:
- erect and diminished
- erect and enlarged
- inverted and of same size
- erect and of same size