HUMURA SECONDARY SCHOOL
MIDTERM  EXAMINATION, 
PHYSICS  FORM IA & B  -APRIL 2019
TIME: 2 HOUR
Instructions: 
-	Answer all questions
-	Use constants g= 10N/kg, Density of water = 1g/cm³
1.	For question number (i) – (x) choose the correct answer and write its letter in the box provided.
i)	The mass of gold leaf is 10kg while its volume is 5m³. The density of gold leaf is,
 A.  2kg/cm³ 
 B.  3kg/cm³   
C.  2kg/m³    
D.  5g/cm³
ii)	The density of substance divided to the density of water is called:  
A.  Density of substance   
B.  Its Pressure   
C.   Its relative density   
D.  Its mass
iii)	The process of assigning numbers to observations and events is called    
A. Density  
B.  measurement  
C.  processing   
D.  Metre rule   
iv)	The vernier calipers is an instrument used to measure the length to the accuracy of,               A. 0.001cm    
B.  0.01cm    
C.  0.1cm   
D.  1cm
v)	The safety pin is used in, 
A.  Laboratory   
B.  Density bottle   
C.  First Aid Kit 
D. First aid
2.	Match the items of group a with items in group B.
GROUP A	GROUP B	
i)	Basic fundamental quality
ii)	Telephone
iii)	Measuring cylinder
iv)	Micrometer screw gauge
v)	Mass 	A.	Used for measuring length of bearing balls.
B.	Example of machines
C.	Used to measure volume 
D.	Beam balance
E.	Mass
F.	Mass, time and length 	

LIST A	i	ii	iii	iv	v	
LIST B						
3.	Fill the blank spaces for question  3 (i) – (v)
i)	Physics is used at home for
 (i)……………………………………………………………………………………….
(ii)…………………………………………………………………………….…………
(iii)………………………………………………………………………………………
ii)	It is used in designing purpose………………………………………………………….
iii)	…………………………………….used to measure the length of 0.1cm
iv)	………………………………….…Is the SI unit of time
v)	………………………………….….prevents the injury from becoming worse.
SECTION B:  Answer all questions
4.	 The density of diamond plate is 87g/cm³.  calculate its relative density
5.	(i) What is a vernier Calipers?   
(b)  Draw a diagram of vernier calipers and label its all parts.
6.	Find the relative density of turpentine from the following information. Mass of density bottle when empty = 24.2g.  Mass of density bottle when filled with turpentine = 67.8g. mass of density bottle when filled with water = 74.2g 
7.	(a) What is measurement?
(b) Mention all important instruments used for measuring length.
i)	…………………………………………………………………………………….
ii)	……………………………………………………………………………………..
iii)	…………………………………………………………………………………….
            (c)  Change
(i)	           10m into mm
(ii)	           2.5 tones into cm
(iii)	30 mm into m
(iv)	200km into mm

WISH YOU HAPPY ESTER
P. RWEGOSHORA