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Physics 9th Class English Medium Unit 9 Online Test MCQs With Answers
Question # 1
When studying how air conditiners cool your house, then it is
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Optics
Nuclear Physics
Thermodynamic
Electromagnetism
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Question # 2
Automobile technology is based on
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Thermodynamics
Acoustics
Electromagnetism
Optics
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Question # 3
The workig of refrigeration and air conditionig involves.
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Electromagnetism
thermodynamics
Climate science
Mechanics
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Question # 4
Which branch of science plays an important role in engineering.
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Biology
Physics
Chemistry
Life Science
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Question # 5
The Branch of Physics that is most important when studying how glasses help people see.
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Optics
Thermodynamics
Electromagnetism
Mechanics
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Question # 6
What is the ultimate truth of a scientific method.
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Hypothesis
Experientation
Law
Theroy
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Question # 7
A graph of an organized data is an example
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Collecting data
Analyzing data
Asking question
Forming a hypothesis
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Question # 8
Which branch of science plays vital role in technology and negineering.
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Biology
Chemistry
Physics
Geology
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Question # 9
Which Statemtn below correctly identifies the differecne between laws and theories.
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Laws describe phenomena , while theories explain why phenomena exist
Laws are a statment of fct, while theories are statemetn of opinion
Laws explain why phenomena exist, while theories explain how
Laws are a prediction of phenomena, while theories are an explanation.
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Question # 10
A hypothesis
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May or may not be testable
Is supported by evidence
Is a possible answer to a question
All of these
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Question # 11
Physics is a branch of
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Biological science
Physical Science
Life science
Social science
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Question # 12
Which of the following are methods of investigation
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Research
Experimentation
Observation
All of these
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Question # 13
Physics is one of the branches of.
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Life science
Social science
Biological sciences
Physical sciecnes
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Question # 14
The color of a door is brown, is an example of.
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Law
Prediction
Observation
Hypothesis
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Question # 15
The branch of Physics that deals with the particles such as neutrons and protons.
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Electricity
Plasma Physics
Nuclear Physics
Solid state Physics
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Question # 16
The statemetn "If I do not study for this test, then I will not get good grade" is an example of.
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Prediction
Law
Theory
Observation
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Question # 17
Why do scientists develop a hypothesis before conducting research.
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Hypotheses help a researcher decide which observations to record and which to ignore
It give them direction on how to interpret the results of their research
It helps to predict outcomes and define the parameters of the rsearch
Hypotheses give the researcherr an outcome to shape their work around
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Question # 18
A user frindly software application of smart phone use
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Laser Technology
Information Technology
Medical Technology
Electronic technology
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Question # 19
What is the best definitin of the term "theory", as it us used in sciecne.
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A theory is a guess or hunch about somethig that has occurred in nature
A theory is a comprehensive set of ideas explaining a phenomenon in nature
A theory is based on verifiable laws and can be proven true
A theory is a hypothesis that uses laws and observation to make an assumption.
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