1 In an unmagnetized ferromagnetic material, the magnetic domains are: A All aligned in one direction B Randomly oriented C Absent D Fixed in opposite pairs
2 Which branch of physics deals with the study of sound? A Optics B Acoustics C Mechanics D Relativity
3 When a magnet is suspended freely, it always comes to rest along: A East-west direction B North-south direction C North-east direction D South-west direction
4 What is the main difference between science and technology? A Science deals with understanding nature; technology deals with practical applications B Science is only about computers; technology is about nature C Science and technology are exactly the same D Science does not use experiments; technology does
5 What happens to the strength of an electromagnet if the number of turns of the coil is increased? A It decreases B It remains the same C It increases D It becomes zero
6 Magnetic field lines outside a magnet run from: A South pole to North pole B North pole to South pole C East to West D West to East
7 What happens to the magnetism of a magnet when it is heated strongly? A It increases B It decreases C It remains the same D It becomes permanent
9 In the scientific method, what is a hypothesis? A A proven fact that cannot be changed B A testable explanation for an observation C A final conclusion after an experiment D A random guess without any reasoning
10 A testable statement that predicts the outcome of an experiment is called a: A Theory B Hypothesis C Law D Conclusion
11 The principle that a scientific idea must be able to be tested and potentially proven false is called: A Falsifiability B Observation C Hypothesis D Law
12 What is the first step in the scientific method? A Hypothesis B Experiment C Observation D Conclusion
13 The branch of physics that deals with atoms and nuclei is called: A Atomic and nuclear physics B Mechanics C Optics D Thermodynamics
14 Which of the following materials is strongly attracted by a magnet? A Copper B Iron C Wood D Plastic
15 Biophysics is an interdisciplinary field that combines physics with: A Biology B Geology C Economics D History
16 Which of the following best defines physics? A The study of living organisms and their life processes B The study of matter, energy, and their interactions in nature C The study of human behavior and social groups D The study of Earth's rocks and minerals
17 The study of the physics of the Earth and its environment is called: A Astrophysics B Biophysics C Geophysics D Quantum mechanics
18 Which statement best describes the relationship between science and technology? A Science and technology are exactly the same. B Science seeks knowledge, while technology applies that knowledge. C Technology seeks knowledge, while science applies it. D Science does not help technology at all.
19 Which method is used to make a magnet by stroking? A Single touch method B Electric method C Heating method D Hammering method
20 Which application uses magnets in recording technology? A Hard disk drive B Light bulb C Electric fan D Water pump
21 A testable statement that can be proved true or false is called a: A Theory B Law C Hypothesis D Conclusion
22 Which of the following is a branch of physics that deals with the study of heat and temperature? A Mechanics B Thermodynamics C Optics D Acoustics
23 The scientific method includes all of the following EXCEPT: A Observation B Hypothesis C Experiment D Belief without evidence
24 The application of physics principles to design and build bridges is an example of: A Pure science only B Engineering C Biology D Astronomy
25 Which of the following is a temporary magnet? A Steel magnet B Soft iron magnet C Alnico magnet D Cobalt magnet