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Physics Vocabulary - Statistics
General Stats
- This quiz has been taken 796 times
- The average score is 18 of 25
Answer Stats
| Definition | First Letter | Term | % Correct |
|---|---|---|---|
| The basic unit of a chemical element. | A | Atom | 86%
|
| The force of attraction that moves or tends to move bodies towards the centre of a celestial body, such as the earth or moon. | G | Gravity | 86%
|
| A measure of the rate of motion of a body expressed as the rate of change of its position in a particular direction with time. | V | Velocity | 85%
|
| A measure of the compactness of a substance, expressed as its mass per unit volume. | D | Density | 84%
|
| A stable elementary particle present in all atoms, orbiting the nucleus in numbers equal to the atomic number of the element in the neutral atom. | E | Electron | 84%
|
| A stable, positively charged elementary particle, found in atomic nuclei in numbers equal to the atomic number of the element. | P | Proton | 84%
|
| A reaction in which two nuclei combine to form a nucleus with the release of energy. | F | Fusion | 83%
|
| The capacity for doing work. | E | Energy | 82%
|
| The splitting of an atomic nucleus into approximately equal parts, either spontaneously or as a result of the impact of a particle usually with an associated release of energy. | F | Fission | 81%
|
| A dynamic influence that changes a body from a state of rest to one of motion or changes its rate of motion. | F | Force | 79%
|
| The number of times that a periodic function or vibration repeats itself in a specified time, often 1 second. | F | Frequency | 78%
|
| The tendency of a body to preserve its state of rest or uniform motion unless acted upon by an external force. | I | Inertia | 78%
|
| A form of matter composed of antiparticles, such as antihydrogen, consisting of antiprotons and positrons. | A | Antimatter | 77%
|
| The time taken for half of the atoms in a radioactive material to undergo decay. | H | Half-life | 73%
|
| The emission or transfer of radiant energy as particles, electromagnetic waves, sound, etc. | R | Radiation | 73%
|
| A continuous electric current that periodically reverses direction. | A | Alternating current | 70%
|
| An electronic device used to increase the strength of the signal fed into it. | A | Amplifier | 67%
|
| A continuous electric current that flows in one direction only, without substantial variation in magnitude. | D | Direct current | 67%
|
| A unit of heat, equal to 4.1868 joules; formerly defined as the quantity of heat required to raise the temperature of 1 gram of water by 1°C under standard conditions. | C | Calorie | 57%
|
| Any device for converting mechanical energy into electrical energy by electromagnetic induction. | G | Generator | 56%
|
| A unit for comparing two currents, voltages, or power levels, equal to one tenth of a bel. | D | Decibel | 55%
|
| Any phenomenon associated with stationary or moving electrons, ions, or other charged particles. | E | Electricity | 54%
|
| A semiconductor device containing one p-n junction, used in circuits for converting alternating current to direct current. | D | Diode | 49%
|
| A device that diverges or converges a beam of electromagnetic radiation, sound, or particles. | L | Lens | 38%
|
| The emission of light at low temperatures by any process other than incandescence. | L | Luminescence | 36%
|
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