2293.
General Science & Ability
What does LASER stand for?
Light Amplification by Stimulated Emission of Radiation
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2294.
General Science & Ability
Which form of electromagnetic radiation is commonly used to image bones?
X-rays
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2295.
General Science & Ability
What type of sound waves are used in medical ultrasound imaging?
High-frequency sound waves above the normal range of human hearing
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2296.
General Science & Ability
What is the SI unit of frequency?
Hertz (Hz)
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2297.
General Science & Ability
What is frequency?
The number of wave cycles or oscillations occurring per unit time
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2298.
General Science & Ability
What is the distance between two corresponding points on successive waves called?
Wavelength
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2299.
General Science & Ability
What device converts electrical energy into mechanical energy?
Electric motor
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2300.
General Science & Ability
What device converts mechanical energy into electrical energy?
Electric generator
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2301.
General Science & Ability
What device changes alternating voltage from one level to another?
Transformer
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2302.
General Science & Ability
What is electric current?
The rate of flow of electric charge
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2303.
General Science & Ability
What is the SI unit of electric potential difference?
Volt (V)
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2304.
General Science & Ability
What is the SI unit of electrical resistance?
Ohm (Ω)
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