‫المملكة العربية السعودية‬
‫وزارة التعليم العالي‬
‫جامعة المجمعة‬
‫عمادة السنة التحضيرية‬
Kingdom of Saudi Arabia
Ministry of Higher Education
4
Al-Majma'ah University
Preparatory Year Deanship
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Name : ………………………
ID : …………………………..
PHYSICS QUIZ(1)
Q1: Choose the correct answer(2 marks):
1- The Mass is measured in SI unit by
(a)
meter
(b) Kilograms
(c)n gram
2- A number greater than 1 and less than 10 is
(a) mantissa
(b) scientific notation
(c) exponent
3- The unit system CGS is the sing of
(a) French system
(b) SI system
(c) British system
4- The Dimensional Analysis of length .mass and time is
(a) MKS
(b) MLS
(c) LMT
5- Quantity that has only magnitude and no direction is
(a) a scalar
(b) vector
(b) vector and scalar
6- All this quantity is a vector expect
(a) displacement
(b)
force
(c) mass
7-Unit Vector are vectors of length
(a) two
(b) one
(c) no length
8-The vector to be perpendicular to the plane formed by the vector A and B is
(a) scalar
(b) quantity
(c) normal vector
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Q2:(1 marke)
How many significant figure in each of the following numbers
a- 0.04
c-3×108
b- 10.0001
d-2.1+1.10042
Q3:( 1 MARK )
= 5
+ 2 -2
= 3
+ +
Find:
1- A+B
2- A-B
3- A.B
4- A×B
Q4: ( 1mark)
a) Abody exerts aforce of 12×107 dyne express this force in Newton ?
(1 dyne = 1 gcm/s2 )
b)using the dimensional analysis check the validity of the equation:
t= at3/x
Where t is time ,x distance ,a acceleration