The document is a presentation by Tedy Dwi Ariyanto, a student at Jember University, on the topic of using English as a medium of instruction. The presentation contains 7 slides explaining various optical concepts such as Ohm's law, concave and convex mirrors, convex lenses, and torsi. It was presented on June 3rd, 2013.

1. English as Medium of Instruction
Tedy Dwi Ariyanto (110210101048)
Mathematics Education
Mathematics and Science Education
Teacher Training and Education Science Faculty
Jember University
3rd June 2013
Tedy Dwi Ariyanto 110210101048 (FKIP) English as Medium of Instruction 3rd June 2013 1 / 7

2. Gesture of Ohm
Tedy Dwi Ariyanto 110210101048 (FKIP) English as Medium of Instruction 3rd June 2013 2 / 7

3. Gesture of Concave Mirror
Tedy Dwi Ariyanto 110210101048 (FKIP) English as Medium of Instruction 3rd June 2013 3 / 7

4. Gesture of Convex Mirror
Tedy Dwi Ariyanto 110210101048 (FKIP) English as Medium of Instruction 3rd June 2013 4 / 7

5. Gesture of Convex Lens
Tedy Dwi Ariyanto 110210101048 (FKIP) English as Medium of Instruction 3rd June 2013 5 / 7

6. Gesture of Torsi
Tedy Dwi Ariyanto 110210101048 (FKIP) English as Medium of Instruction 3rd June 2013 6 / 7

7. THANKS FOR YOUR ATTENTION
Tedy Dwi Ariyanto 110210101048 (FKIP) English as Medium of Instruction 3rd June 2013 7 / 7