Grade 10 Physics · Strand 1: Mechanics and Thermal Physics · Introduction to Physics
Relationship of Physics to Other Disciplines
A short Grade 10 Physics lesson for the CBE curriculum, part of Mechanics and Thermal Physics: Introduction to Physics. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.
1. Which branch of applied physics studies how the forearm acts as a lever when a person lifts a bag?
- A. Geophysics
- B. Biomechanics
- C. Spectroscopy
- D. Physical chemistry
2. A medical ultrasound scanner builds an image of a baby in the womb. Which physical principle does it use?
- A. Absorption of X-rays by dense bone only
- B. Reflection of high-frequency sound waves at tissue boundaries
- C. Refraction of light by the crystalline lens
- D. Convection of warm air currents
3. A water tank in Nakuru has water 12 m deep. Calculate the pressure due to the water at the base of the tank. (Density of water = 1000 kg/m^3, g = 10 N/kg.)
Type your answer (in Pa) in the lesson.
4. At Olkaria in Kenya, electricity is produced using underground heat. Which sequence of energy changes is correct?
- A. Thermal energy → kinetic energy of steam → kinetic energy of turbine → electrical energy
- B. Chemical energy → sound energy → electrical energy
- C. Light energy → thermal energy → chemical energy
- D. Electrical energy → thermal energy → kinetic energy
5. What name is given to the branch of science that applies physical laws and methods to study living organisms?
Type your answer in the lesson.
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