Medical Entrance Exam (University of Iceland) · Physics
Mechanics, waves and electricity
20 practice questions, each with the answer and an explanation.
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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 20 questions
- What is the SI unit of power?
- Which quantity is a vector?
- A ball is thrown vertically upwards. At the top of its path, which statement is true?
- What is the work done by a force of 10 N moving an object 3 m in the direction of the force?
- What happens to the frequency of a wave when its wavelength doubles at constant speed?
- Which phenomenon explains why a straw looks bent in water?
- Which type of wave is sound in air?
- What is the speed of light in vacuum?
- What is the unit of electrical resistance?
- Two resistors of 4 ohm and 4 ohm are connected in series. What is the total resistance?
- Two resistors of 4 ohm and 4 ohm are connected in parallel. What is the total resistance?
- What does a capacitor store?
- Which type of radiation has the greatest ionising power?
- Which type of radiation is the most penetrating?
- After two half-lives, what fraction of a radioactive sample remains?
- What is the focal length of a lens with a power of 2 dioptres?
- Which law states that the pressure of a gas at constant temperature is inversely proportional to its volume?
- Which physical quantity is measured in pascals?
- Which medical imaging technique uses high-frequency sound waves?
- Which medical imaging technique uses strong magnetic fields and radio waves?
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