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physics chapter 1 test questions sample, Exercises of Physics

Physics

questions - physics chapter 1 test questions sample - answers included

Typology: Exercises

2020/2021

Uploaded on 06/22/2021

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Chapter 1—Physics and Measurement
MULTIPLE CHOICE
1. Which of the following products of ratios gives the conversion factor to convert miles per hour
to meters per second ?
a.
b.
c.
d.
e.
ANS: D PTS: 2 DIF: Average
2. The density of an object is defined as:
a. the volume occupied by each unit of mass.
b. the amount of mass for each unit of volume.
c. the weight of each unit of volume.
d. the amount of the substance that has unit volume and unit mass.
e. the amount of the substance that contains as many particles as 12 grams of the carbon-12
isotope.
ANS: B PTS: 1 DIF: Easy
3. If you drove day and night without stopping for one year without exceeding the legal highway speed
limit in the United States, the maximum number of miles you could drive would be closest to:
a. 8 700.
b. 300 000.
c. 500 000.
d. 1 000 000.
e. 32 000 000.
ANS: C PTS: 2 DIF: Average
4. The term occurs in Bernoulli's equation in Chapter 15, with
being the density of a fluid and v
its speed. The dimensions of this term are
a. M1L5T2
b. MLT2
c. ML1T2
d. M1L9T2
e. M1L3T2
ANS: C PTS: 2 DIF: Average
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Chapter 1—Physics and Measurement

MULTIPLE CHOICE

  1. Which of the following products of ratios gives the conversion factor to convert miles per hour to meters per second? a. b. c. d. e. ANS: D PTS: 2 DIF: Average
  2. The density of an object is defined as: a. the volume occupied by each unit of mass. b. the amount of mass for each unit of volume. c. the weight of each unit of volume. d. the amount of the substance that has unit volume and unit mass. e. the amount of the substance that contains as many particles as 12 grams of the carbon- isotope. ANS: B PTS: 1 DIF: Easy
  3. If you drove day and night without stopping for one year without exceeding the legal highway speed limit in the United States, the maximum number of miles you could drive would be closest to: a. 8 700. b. 300 000. c. 500 000. d. 1 000 000. e. 32 000 000. ANS: C PTS: 2 DIF: Average
  4. The term occurs in Bernoulli's equation in Chapter 15, with  being the density of a fluid and v its speed. The dimensions of this term are a. M^1 L^5 T^2 b. MLT^2 c. ML^1 T^2 d. M^1 L^9 T^2 e. M^1 L^3 T^2 ANS: C PTS: 2 DIF: Average
  1. Which of the following quantities has the same dimensions as kinetic energy,? Note: [ a ] = [ g ] = LT^2 ; [ h ] = L and [ v ] = LT^1. a. ma b. mvx c. mvt d. mgh e. mgt ANS: D PTS: 2 DIF: Average
  2. The quantity with the same units as force times time, Ft , with dimensions MLT^1 is a. mv b. mvr c. mv^2 r d. ma e. ANS: A PTS: 2 DIF: Average
  3. The equation for the change of position of a train starting at x = 0 m is given by. The dimensions of b are a. T^3 b. LT^3 c. LT^2 d. LT^1 e. L^1 T^1 ANS: B PTS: 2 DIF: Average
  4. One mole of the carbon-12 isotope contains 6.022  1023 atoms. What volume in m^3 would be needed to store one mole of cube-shaped children's blocks 2.00 cm long on each side? a. 4.8  1018 b. 1.2  1022 c. 6.0  1023 d. 1.2  1024 e. 4.8  1024 ANS: A PTS: 2 DIF: Average
  5. Which of the following products of ratios gives the conversion factors to convert meters per second to miles per hour? a. b. c.

d. Carla, because. e. Spike, because the dimensions of force are. ANS: C PTS: 2 DIF: Average

  1. Which one of the quantities below has dimensions equal to? a. mv b. mv^2 c. d. mrv e. ANS: C PTS: 2 DIF: Average
  2. The standard exam page is 8.50 inches by 11.0 inches. Its area in cm^2 is a. 19. b. 36. c. 93. d. 237. e. 603. ANS: E PTS: 2 DIF: Average
  3. A standard exam page is 8.5 inches by 11 inches. An exam that is 2.0 mm thick has a volume of a. 1.9  104 mm^3. b. 4.7  104 mm^3. c. 1.2  105 mm^3. d. 3.1  105 mm^3. e. 3.1  103 mm^3. ANS: C PTS: 3 DIF: Challenging
  4. Which quantity can be converted from the English system to the metric system by the conversion factor? a. feet per second b. feet per hour c. miles per second d. miles per hour e. miles per minute ANS: D PTS: 2 DIF: Average
  5. The answer to a question is [MLT^1 ]. The question is "What are the dimensions of a. mr ?" b. mvr ?"

c. ma ?" d. mat ?" e. ?" ANS: D PTS: 2 DIF: Average

  1. If each frame of a motion picture film is 35 cm high, and 24 frames go by in a second, estimate how many frames are needed to show a two hour long movie. a. 1 400 b. 25 000 c. 50 000 d. 170 000 e. This cannot be determined without knowing how many reels were used. ANS: D PTS: 2 DIF: Average
  2. One number has three significant figures and another number has four significant figures. If these numbers are added, subtracted, multiplied, or divided, which operation can produce the greatest number of significant figures? a. the addition b. the subtraction c. the multiplication d. the division e. All the operations result in the same number of significant figures. ANS: A PTS: 2 DIF: Average
  3. A rectangle has a length of 1.323 m and a width of 4.16 m. Using significant figure rules, what is the area of this rectangle? a. 5.503 68 m^2 b. 5.503 7 m^2 c. 5.504 m^2 d. 5.50 m^2 e. 5.5 m^2 ANS: D PTS: 2 DIF: Average PROBLEM
  4. The standard kilogram is a platinum-iridium cylinder 39 mm in height and 39 mm in diameter. What is the density of the material? ANS: 21 475 kg/m^3 PTS: 2 DIF: Average
  5. A 2.00 m by 3.00 m plate of aluminum has a mass of 324 kg. What is the thickness of the plate? (The density of aluminum is 2.70  103 kg/m^3 .) ANS: 2.00 cm