IGCSE O Level Physics Practice Test 121
Radiation Quiz Questions and Answers PDF Download - 121
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Radiation Questions and Answers PDF Download: MCQ 121
In vacuum, process used to transfer thermal energy is
- Conduction
- Convection
- Radiation
- Conduction and convection
Pressure exerted by layer of air on sea level is
- 1.013 × 105
- 2.013 × 105
- 1.013 × 104
- 2.013 × 104
SI unit for thermal energy is
- Joules
- Ohms
- Pascal
- Watts
A good example of sound waves is
- Rope
- Slinky spring
- Elastic band
- Elastic rod
When matter is being changed from liquid to gas, temperature
- increases
- decreases
- remains constant
- may increase or decrease
IGCSE O Level Physics Exam Prep Tests
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O Level Physics MCQs eBook Download
Applied Physics Practice Questions
- Rest mass energy of an electron is
- Physical quantities that describe laws of physics are divided into
- One that is not a non-conservative force is
- Units given by system international for measuring physical quantities are called
- Two forces 10 N and 20 N making an angle 30° and 60° will give a resultant force of
Radiation Practice Tests
- Boiling point of alcohol is
- A person boils water of mass 150 kg from temperature of 85 °C with thermal energy of 22500 J, specific heat capacity of water is
- Mass of 4585 kg and its density is 917 kg m-3, its volume would be
- If a car accelerates from 20 m s-1 to 40 m s-1 in 10 s and its forward thrust is equal to 3 kN, what is mass of this car?
- A pair of shoes weighs 10 N on earth and 1.6 N on moon. Its mass is