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==Concept #==
==Concept #==
===Learning objectives===
===Learning objectives===
+
+# Define photoelectric effect
+# Explain photoelectric effect
+# List the uses of photoelectric effect
+# Explain the dual nature of light
+# Distinguish between ordinary and LASER
+# Explain the uses of Laser light in Industrial and Medical field
+# Recall the terms used to explain the production of LASERs from other chapters
+# Relate the properties of Lasers to its uses
+# Draw the diagram of Helium - neon laser tube
+
===Notes for teachers===
===Notes for teachers===
''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''
''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''