Assessment
Light: Laws of Reflection
Rules of Reflection, Light and Reflection, Terminology used in reflection like angle of incidence, angle of reflection, point of incidence, normal, rays, incident ray and reflected ray, etc.
ninja coder
Physics
Grade10
10 Plays
100 Participants
10 Qs
1.
Multiple Choice
1 pts•30 sAnswer choicesWhat is the first law of reflection?
The angle of incidence is greater than the angle of reflection
The angle of incidence equals the angle of reflection
The incident ray travels in a curved path
The reflected ray lies outside the plane of incidence
2.
Multiple Choice
1 pts•30 sAnswer choicesIdentify the plane that contains the incident ray, reflected ray, and the normal.
Plane of reflection
Plane of incidence
Normal plane
Refractive plane
3.
Multiple Choice
1 pts•30 sAnswer choicesWhich statement describes the second law of reflection?
The incident ray and reflected ray are perpendicular
The incident ray, reflected ray, and normal lie in the same plane
The angle of reflection is zero
The normal is parallel to the incident ray
4.
Multiple Choice
1 pts•30 sAnswer choicesName the line drawn perpendicular to the reflecting surface at the point of incidence.
Tangent
Normal
Chord
Radius
5.
Multiple Choice
1 pts•30 sAnswer choicesDetermine the angle of reflection if the angle of incidence is 30 degrees.
60 degrees
30 degrees
45 degrees
90 degrees
6.
Multiple Choice
1 pts•30 sAnswer choicesWhat is the angle between the incident ray and the normal called?
Angle of reflection
Angle of incidence
Angle of refraction
Critical angle
7.
Multiple Choice
1 pts•30 sAnswer choicesSpecify the type of surface where the laws of reflection are most clearly observed.
Rough surface
Plane mirror
Curved lens
Translucent glass
8.
Multiple Choice
1 pts•30 sAnswer choicesRecognize what happens to light when it obeys the laws of reflection on a smooth surface.
It scatters in all directions
It reflects uniformly
It bends through the surface
It absorbs completely
9.
Multiple Choice
1 pts•30 sAnswer choicesWhich property of light is demonstrated by the laws of reflection?
Refraction
Diffraction
Reflection
Polarization
10.
Multiple Choice
1 pts•30 sAnswer choicesClarify the angle between the reflected ray and the normal when the incident ray is perpendicular to the surface.
90 degrees
45 degrees
0 degrees
30 degrees