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Science Question Paper
Science
Course:Artisan Certificate In Electrical Installation
Institution: Christian Industrial Training Centre question papers
Exam Year:2012
CHRISTIAN INDUSTRIAL TRAINING CENTRES
ARTISAN 1st YEAR-2012
END-TERM TIME:2hrs
SCIENCE
1a) State the laws of reflection of light? (2mks)
1b) With the aid of a diagram, verify (show) the first law of reflection of light? (3mks)
1c) With the aid of a diagram, verify (show) the second law of reflection of light (3mks)
2a) What is meant by the term friction? (2mks)
2b) Illustrate your answer in (2a) by reference to the effect of a steadily increasing
horizontal force applied to a block of wood at rest on a rough horizontal table (4mks)
2c) State 3 advantages and disadvantages of friction as experienced in normal day life (3mks)
3a) Briefly explain four factors that affect friction (6mks)
3b) State three applications of friction in modern industries(3mks)
4a) Define the term parallax (2mks)
4b) With the aid of a simple sketch, explain briefly the operation of simple periscope (1mk)
5a) Which lens suits short sighted people. Briefly support/explain your answer (3mks)
5b) Which lens suits long sighted people. Briefly support/ explain your answer (3mks)
5c) Which lens is suited for vehicles side mirror. Briefly support/explain your answer (3mks)
6) Explain briefly why the mark on a paper seems to rise when a glass is placed on top of the
paper (3mks)
6b) Why is flickering effect often seen when distant objects are viewed across the top of a fire
in the open(3mks)
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