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Worksheet 5
LIGHT Select and write the most appropriate alternative [A,B,C,D] from those given below each statement . 1. The angle of reflection is the angle between A] The incident ray and the normal B] The incident ray and the reflecting surface C] The incident ray and the reflected ray D] The reflected ray and the normal 2. The angle between the incident ray and the reflected ray is 40°.Therefore the angle of incidence is A] 40° ...
Worksheet 9
M ATERIALS : M ETALS AND N ON- M ETALS DATA BASED ACTIVITY : Aim of the survey : To identify and classify the materials commonly used at home into metals and non-metals. FORMATE OF THE REPORT 1) Aim of the survey. 2) Introduction with purpose. 3) Methods used for survey. 4) Information. 5) Interpretation of data 6) Conclusion. 7) Reference.

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