I have attached the laser and semiconductor tutorial answer for your reference. Please download it and use it for your revision.
Just a gentle reminder, H2 Math Mock Exam falls on 21 June 2010, 0830 LT4 and H1 Economics exam falls on 25 June 2010, venue is at the hall. Please check seating plan in the concourse for economics exam.
Have a nice study break ahead. All the best in your preparation for mid year examination and take care of your health by taking in more fluids and Vitamin C.
Thank You.
Best Regards
Wee Keat
09S19 Class Manager / Ambassador
for Pioneer Junior College
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