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ANSWER ANYY THREE QUESTIONS IN THIS SECTION (60 MARKS 1. (a) State any three characteristic of...

Question

ANSWER ANYY THREE QUESTIONS IN THIS SECTION (60 MARKS 1. (a) State any three characteristic of...

ANSWER ANYY THREE QUESTIONS IN THIS SECTION (60 MARKS
1. (a) State any three characteristic of physicist. (6
marks)
(b) Explain the merits of using SI units for measurement (4
marks)
(c) State the three fundamental mechanical quantities (3
marks)
(d) Copy and complete the Physical Quantity table below. (7
marks)
Physical quantity Units Symbol
Amount of substance ………. Mol
Electric current ……….. A
Length ………… M
Mass …………. Kg
Time Second ……….
………………… kelvin K
Luminous intensity Candela ………………

2. (a) Tabulate four differences between Mass and weight. (8 marks)
(b) State four reliable instrument for measuring the temperature of a body (4 marks)
(c) State three reasons why water is NOT used as a thermometric liquid? (6marks)
(d)State two reasons why alcohol is used as thermometric liquid? (2 marks)
.
3. (a) State three advantages of mercury as a thermometric liquid. (6 marks).
(b) Change 65 to centigrade (4 marks)
(c) Explain the concept ‘’work’’ to your science colleague. (4 marks)
(d) State the principle of Conservation Of Energy (2 marks)
(e) State Isaac Newton First law of motion.

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