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Toshkent farmatsevtika instituti fizika, matematika va axborot texnologiyalari kafedrasi
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| bet | 18/69 | | Sana | 19.03.2017 | | Hajmi | 172,07 Kb. | | #410 |
Acoustic shielding:
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A sound barrier that prevents the transmission of acoustic energy.
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Adiabatic:
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Any change in which there is no gain or loss of heat.
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Afocal lens:
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A lens of zero convergent power, whose focal points are infinitely distant.
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Albedo:
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The fraction of the total light incident on a reflecting surface, especially a celestial body, which is reflected back in all directions.
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Alpha particle:
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The nucleus of a helium atom (two protons and two neutrons) emitted as radiation from a decaying heavy nucleus.
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Alternating current:
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The electric current that changes its direction periodically.
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Amorphous:
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Solids which have neither definite form nor structure.
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Ampere:
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S.I. Unit of electric current, one ampere is the flow of one coulomb of charge per second.
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Amplitude:
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The maximum absolute value attained by the disturbance of a wave or by any quantity that varies periodically.
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