e ISLAMIYYA SCHOOL S.Hithadhoo FIRST MID-TERM TEST 2007 Subject : PHYSICS 5054 Grade: 9 Total Marks: 50 Date: 22 nd Feb 2007 Duration: 1 Hour -------------------------------------------------------------------- ------------------------------------------------------- INSTRUCTIONS TO CANDIDATES Write your name, Index number, Register number, Class in the spaces at the top of this page. Answer all questions in this paper. Write your answers in the spaces provided on the question paper. INFORMATION FOR CANDIDATES This paper consists of two sections (Section A and B) ……………………………………………………………………………………………………………………………………………………………… Department of Physical Sciences Page 1 of 17 PHYSICS First Mid-Term Test 2007 Grade 9 NAME : ……………………………………………….... INDEX NO:…………………….. REGISTER NO:………………… CLASS : …………………………
Transcript
e ISLAMIYYA SCHOOL
S.Hithadhoo
FIRST MID-TERM TEST 2007
Subject : PHYSICS 5054Grade: 9 Total Marks: 50 Date: 22nd Feb 2007 Duration: 1 Hour---------------------------------------------------------------------------------------------------------------------------
INSTRUCTIONS TO CANDIDATES
Write your name, Index number, Register number, Class in the spaces at the top of this page.
Answer all questions in this paper.
Write your answers in the spaces provided on the question paper.
INFORMATION FOR CANDIDATES
This paper consists of two sections (Section A and B)
SECTION A
There are twenty questions in this section. Answer all questions. For each question there are four possible answers A, B, C, and D.
Choose the one you consider correct and underline it using pencil.
Each correct answer will score one mark.
SECTION BAnswer all questions.
Write your answers in the spaces provided on the Question Paper.
The number of marks is given in brackets [ ] at the end of each question or part question.
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NAME : ………………………………………………....
INDEX NO:……………………..
REGISTER NO:………………… CLASS : …………………………
50
This document consists of 10 printed pages including cover pageSECTION A [20 MARKS]
01 What is the reading on the vernier scale shown below?
A 6.50 cm
B 6.55 cm
C 7.00 cm
D 7.05 cm
02 Which of the following is not a vector?
A weight
B acceleration
C mass
D velocity
03 Which of the following physical quantities consists of only vectors?
A mass, velocity, acceleration
B mass, time, temperature
C force, volume, velocity
D weight, acceleration, velocity
04 Which instrument is used to measure the internal diameter of a pipe?
A manometer
B measuring cylinder
C micrometer
D vernier caliper
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05 The reading on the micrometer is
A 5.50 mm B 5.81 mm
C 5.80 mm D 5.30 mm
06 Vector contains more information than a scalar. What is this extra information?
A acceleration B direction
C resultant D size
07 The diagram below shows a worker using a rope to pull a cart. The workers pull on the handle of the cart can be described as a force having
A magnitude only
B direction only
C both magnitude and direction
D neither magnitude nor direction
08 Objects dropped in a vacuum fall with
A uniform acceleration
B non-uniform acceleration
C constant speed
D constant velocity
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09 A car travels 100 m in 5 s. What is its average speed?
A 500 m/s B 20 m/s
C 0.05 m/s D 5 m/s
10 Which quantity X is calculated using the equation
A acceleration
B average velocity
C distance travelled
D speed
11 A car accelerates from rest to 30 m/s in 15 s. What is its acceleration?
A 45 m/s2 B 450 m/s2
C 2 m/s2 D 10 m/s2
12 A sports car is travelling at a constant velocity of 10 m/s before accelerating to a velocity of 55 m/s in 3 seconds. What is the acceleration of the car?
A 15 m/s2 B 150 m/s2 C
10 m/s2 D 8 m/s2
13 Which line on the graph shows greatest speed?
A C B A C A and C D B
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X = Change in velocityTime taken
14 The graph illustrates the motion of an object.Which feature of the graph represents the distance traveled by the object while moving at a constant speed?
A area S B area S + area T
C area T D the gradient at point X
15 The diagram shows the speed-time graph for an object moving at constant speed. What is the distance traveled by the object in the first 3 s?
A 1.5 m B 2.0 m
C 3.0 m D 6.0 m
16 An object falls freely in a gravitational field. Which of the following describes the resultant force acting on, and the acceleration of the object at terminal velocity?
Resultant force acceleration
A decreasing increasing
B increasing decreasing
C increasing increasing
D zero zero
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17 Which is the speed time graph of a body moving from rest with constant acceleration?
A B C D
18 Velocity is to speed as displacement is to
A acceleration B time
C moment D distance
19 The graph shows the first few seconds of the car journey.
From the graph, it can be seen that the car travels at
A constant speed and then stops
B constant speed and then slows down
C constant acceleration and then at constant speed
D with constant acceleration and then slows down
20 A ball is dropped from rest. What is its speed after 3s?
A 15 m/s
B 20 m/s
C 30 m/s
D 45 m/s
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tim e/s
tim e/s
tim e/s
tim e/s
SECTION B[30 Marks]
01 There are two kinds of quantities in physics, scalars & vectors.
a) What is the difference between a vector quantity and a scalar quantity? [1]
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04
05 a) Table 1 shows the variation with time t of the distance travelled by an aircraft as it starts moving along runway.
d/m 0 1 6 17 37 67t/s 0 1 2 3 4 5
State,
(i) Whether the speed of the aircraft is increasing, decreasing or remaining constant. [1]
b) A parachutist falls from an aircraft which is flying horizontally. The parachute opens some time after the start of the fall.
(i) State why the initial acceleration of the parachutist is approximately 10m/s2. [2]
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