問題一覧
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Study of matter an energy
physics
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Branches of physics
classical physics modern physics
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It is traditional topic.
Classical Physics
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Study of forces acting on bodies whether at rest or in motion.
mechanics
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On motion without regard to its cause or without reference to force
kinematics (under of mechanic)
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On forces acting on bodies at rest.
statics (under of mechanics)
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On motion and the forces that affect it or with reference to force.
dynamics ( under of mechanics)
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Production and propagation of SOUND WAVES.
acoustics of classical physics
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Study of light
optics of classical physics
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Production, nature, and properties of light.
physical optics
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On the part played by light in vision.
physiological optics
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Reflection and refraction of light.
geometrical optics
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Relationship of heat and other forms of energy
thermodynamics of classical physics
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Properties of electric current and magnetism.
electromagnetism of classical physics
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Concern with the behavior of matter and energy under extreme conditions.
modern physics
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It is a study of components, structure, and behavior or the nucleus of the atom.
atomic or nuclear physics
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It is study of discrete nature of phenomena at the atomic and subatomic levels. Focus on the indivisible units of energy called "quanta"
quantum physics
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Study of phenomena that take place in a frame of reference that is in motion WITH RESPECT TO AN OBSERVER.
Relativistic physics
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Study of all properties of solid, including electrical conduction in crystals of semiconductors and metals, superconductivity and photoconductivity.
solid state physics
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Study of the properties of condensed materials. Extention of solid state physics.
condensed matter physics
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Any number that is used to DESCRIBE A PHYSICAL PHENOMENON.
physical quantity
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Kind of measurable quantities
fundamental quantities derived quantities
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Measured by direct method.
fundamental quantities
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Other physical quantities are formulated based from the fundamental quantities Area, volume, speed, pressure, density, specific heat
derived quantities
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What are the fundamental physical quantities?
length, mass, and time
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Known as the british gravitational system. It is standard units are based on body parts.
english/british system
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End joint of the thumb (unicia)
inches
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Length of the foot (30? 48 cm)
foot
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Distance from the tip of the nose to the end of the middle finger. (3ft.or 0.9144 cm)
yard
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Distance from the end of the elbow to the finger tip. (18 in. Or 49 cm)
cubit
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Distance between the fingertips of two arms. (6ft or 1.8m)
fathom
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Decimal based system of units which was proposed in France by Gabriel Mouton SI (System International)
metric system
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Used to convert a quantity in one system of units to corresponding quantity in another system of units.
conversion of units
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How close it is likely to be to the true value.
accuracy
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Closeness of two or more measurement to each other.
precision
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Statistical fluctuations in the measured data due to the precision limitations of the measurement device.
random errors
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Reproducible innacuracies that are consistently in direction.
systematic errors
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Compress all digits that are known with certainty plus the first digit that us uncertain position of points are relevant.
significant figures
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The answer must contain the number of a decimal places on the term with the LEAST NUMBER OF DECIMAL PLACE.
addition/subtraction.
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The answer must contain the same number of significant figures as the term with the LEAST NUMBER OF SIGNIFICANT FIGURES.
multiplication/division
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Physical quantity with a magnitude only. No direction.
scalar
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Have a magnitude and direction
vector