Grade 10 Science (SNC 2D1)
Unit: Optics
Lab: OERB Lab – Reflections in Plane Mirrors
Name:
Date:
Instructions:
Go to: http://resources.elearningontario.ca/
Login: Username – hdsbstudent Password: hdsb.
Click “Search” (The large computer screen icon with a magnifying glass)
Under Simple Search look up: elo1302110
Click on the link titled: “Reflections in Plane Mirrors”
Fill in this worksheet as you complete the “Reflections in Plane Mirrors” interactive investigation.
1. State the “Laws of Reflection”.
A.___________________________________________________________________________________
____________________________________________________________________________________
B.___________________________________________________________________________________
____________________________________________________________________________________
2. Complete the following chart for a light ray reflecting off a plane mirror:
Angle of incidence (i)
15
Angle of reflection (r)
3. What reflection law would explain this table?
23
36
45
4. Describe the image characteristics formed in the plane mirror.
A.___________________________________________________________________________________
B.___________________________________________________________________________________
____________________________________________________________________________________
C.___________________________________________________________________________________
D.___________________________________________________________________________________
5. Complete the following ray diagram to locate the image in the mirror. (arrow)
6. Describe how the words SCIENCE and OPTICS would appear when viewed in a plane mirror?
Grade 10 Science (SNC 2D1)
Unit: Optics
Lab: OERB Lab – Reflections in Plane Mirrors
Answers
Name:
Date:
Instructions: Username – hdsbstudent Password: hdsb. Fill in this worksheet as you complete the
“Reflections in Plane Mirrors” interactive investigation.
1. State the “Laws of Reflection”.
A.The angle of incidence is equal to the angle of reflection
B. The incident ray, the normal, and the reflected ray all lie on the
same plane.
2. Complete the following chart for a light ray reflecting off a plane mirror:
Angle of incidence (i)
15
Angle of reflection (r)
3. What reflection law would explain this table?
23
36
45
4. Describe the image characteristics formed in the plane mirror.
A. The image is the same size as the object.
B. The distance from the object to the mirror is the same as the
distance from the image to the mirror.
C. The image is upright compared to the object.
D. The image is reversed compared to the object.
5. Complete the following ray diagram to locate the image in the mirror. (arrow)
6. Describe how the words SCIENCE and OPTICS would appear when viewed in a plane mirror?
Same distance, Upright, Same size, Reversed