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WorksheetsPhysical (1.17)
Total questions: 10
Worksheet time: 4mins
Which of the following is a unit for sound intensity level?
W) Amplitude
X) Watt
Y) Decibel
Z) Hertz
In which of the following cases will the displacement of the object be the least?
W) A 1.2-kilogram object moving 4 meters up an incline of 45 degrees
X) A 3.1-kilogram object moving 3 meters on a flat surface
Y) A 0.5-kilogram object moving 6 meters along a circle with circumference 6 meters
Z) Cannot be determined from the information given
The length of a meter was re-defined in 1983 to be based on what physical quantity?
W) A wavelength of krypton-86 radiation
X) The distance light travels in a specific fraction of a second in a vacuum
Y) The length of a one-kilogram bar of iridium
Z) A specific fraction of the length of the meridian through Paris from the North Pole to the Equator
In meters per second squared, what is the acceleration experienced by a 10- kilogram mass if it is being pushed by a 15-newton force? (DO NOT INCLUDE THE UNIT - ONLY THE NUMERICAL ANSWER)
(a)
Which of the following materials is the best thermal conductor?
W) Glass
X) A sheet of plastic
Y) A block of aluminum
Z) An air mattress
What is the adjective for a process that occurs at constant pressure?
(a)
Which of the following has the highest pH?
W) Sea water
X) Lemon juice
Y) Baking soda
Z) Chlorine bleach
What type of radioactive decay occurs when carbon-14 decays to nitrogen-14?
(a)
Which of the following BEST describes the term static:
W) stationary
X) low
Y) constant
Z) used
Mary tried to lift her couch by exerting 500 newtons of force but it doesn’t budge. If the couch weighed 2,000 newtons, how much work did she do:
W) 0
X) 50 watts
Y) 500 joules
Z) 2000 joules
