Physics for Scientists and Engineers
Exam Questions
Course Introduction
Physics for Scientists and Engineers is a comprehensive course designed to provide a rigorous foundation in classical and modern physics, tailored for students pursuing degrees in science, engineering, or mathematics. The course covers fundamental topics such as mechanics, thermodynamics, electromagnetism, optics, and an introduction to quantum and atomic physics. Through a blend of theoretical concepts, problem-solving exercises, and laboratory experiments, students develop analytical and quantitative skills essential for scientific inquiry and engineering practice. This course emphasizes the application of physical principles to real-world scenarios, preparing students for advanced studies and professional challenges in technical fields.
Recommended Textbook Physics 10th Edition by John D. Cutnell
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10 Chapters
662 Verified Questions
662 Flashcards
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Chapter 11: Fluids
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65 Flashcards
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Sample Questions
Q1) The density of ice is 0.92 g/cm³;and the density of seawater is 1.03 g/cm³.A large iceberg floats in Arctic waters.What fraction of the volume of the iceberg is exposed?
A)0.080 %
B)11 %
C)89 %
D)92 %
E)99 %
Answer: B
Q2) How much force does the atmosphere exert on one side of a vertical wall 4.00-m high and 10.0-m long?
A)2.53 × 10³ N
B)1.01 × 10 N
C)4.05 × 10 N
D)4.05 × 10 N
E)zero N
Answer: D
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Chapter 13: The Transfer of Heat
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42 Flashcards
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Sample Questions
Q1) The two ends of an iron rod are maintained at different temperatures.The amount of heat that flows through the rod by conduction during a given time interval does not depend upon
A)the length of the iron rod.
B)the thermal conductivity of iron.
C)the temperature difference between the ends of the rod.
D)the mass of the iron rod.
E)the duration of the time interval.
Answer: D
Q2) The power radiated by a distant star is 6.2 × 10² W.The radius of the star,which may be considered a perfect radiator,is 1.06 × 10¹ m.Determine the surface temperature of the star.
A)2970 K
B)4630 K
C)7440 K
D)8710 K
E)9970 K
Answer: A
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Page 4
Chapter 14: The Ideal Gas Law and Kinetic Theory
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Sample Questions
Q1) A 7.50 × 10<sup>-</sup>³m³ bottle contains 0.0200 kg of oxygen gas,O ,at 77.0 °C.What is the pressure exerted on the inner walls of the flask by the oxygen gas? Note: the atomic mass of O is 15.9994 u.
A)8.42 × 10 Pa
B)1.45 × 10 Pa
C)2.43 × 10 Pa
D)4.86 × 10 Pa
E)1.46 × 10 Pa
Answer: C
Q2) Which one of the following properties of a gas is not consistent with kinetic theory?
A)The average speed of the gas molecules is smaller at high temperatures.
B)Gas molecules are widely separated.
C)Gases fill whatever space is available to them.
D)Gas molecules move rapidly in a random fashion.
E)Gas molecules make elastic collisions with the walls of the containing vessel.
Answer: A
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Chapter 15: Thermodynamics
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Sample Questions
Q1) What is the actual efficiency of this engine?
A)0.15
B)0.34
C)0.50
D)0.67
E)0.81
Q2) An ideal gas absorbs 750 J of heat as it performs 625 J of work.What is the resulting change in temperature if there are 1.3 moles of the gas in the system?
A)-8.6 K
B)-4.3 K
C)7.7 K
D)9.6 K
E)23 K
Q3) What is the change in the internal energy,in calories,of the gas for this process?
A)zero calories
B)+12 cal
C)-110 cal
D)+110 cal
E)+122 cal
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Page 6
Chapter 17: The Principle of Linear Superposition and
Interference Phenomena
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Sample Questions
Q1) When plucked,a 0.62-m guitar string produces a sound wave with a fundamental frequency of 196 Hz.The speed of sound in air is 343 m/s.Determine the ratio of the wavelength of the sound wave to the wavelength of the waves that travel on the string.
A)0.071
B)0.28
C)0.49
D)1.4
E)2.0
Q2) Which one of the pipes emits sound with the lowest frequency?
A)1
B)2
C)3
D)4
E)6
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Chapter 20: Electric Circuits
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Sample Questions
Q1) What is the final potential difference across the plates of the capacitors when they are connected in parallel?
A)5.0 V
B)6.7 V
C)7.5 V
D)8.3 V
E)10 V
Q2) A computer monitor uses 1.5 A of current when it is plugged into a 120 V outlet.The monitor is never turned off.What is the yearly cost of operating the monitor if the cost of electricity is $0.14/kWh?
A)$ 64
B)$ 81
C)$ 110
D)$ 190
E)$ 220
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Chapter 22: Electromagnetic Induction
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Sample Questions
Q1) What is the induced current in the loop?
A)0.048 A
B)0.024 A
C)7.2 × 10<sup>-</sup>³ A
D)3.8 × 10<sup>-</sup>³ A
E)zero amperes
Q2) Assume S has been closed for a long time.Which one of the following statements is true when coil 1 and its core are moved toward point B?
A)There is no induced current in r.
B)There is a magnetic field in coil 1 that points toward B.
C)There is an induced current in R that flows from left to right.
D)There is an induced current in R that flows from right to left.
E)There is an induced magnetic field in coil 2 that points toward B.
Q3) Which one of the following statements concerning this situation is true?
A)The temperature of the circuit remains constant.
B)The induced current flows clockwise around the circuit.
C)Since the circuit moves with constant speed,the force F does zero work.
D)If the circuit were replaced with a wooden loop,there would be no induced emf.
E)As the circuit moves through the field,the field does work to produce the current.
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Page 9
Chapter 25: The Refl Ection of Light: Mirrors
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Sample Questions
Q1) Determine the focal length of the concave mirror.
A)6.0 cm
B)12 cm
C)24 cm
D)48 cm
E)96 cm
Q2) A rubber ball is held 4.0 m above a concave spherical mirror with a radius of curvature of 1.5 m.At time equals zero,the ball is dropped from rest and falls along the principal axis of the mirror.How much time elapses before the ball and its image are at the same location?
A)0.30 s
B)0.55 s
C)0.63 s
D)0.71 s
E)0.90 s
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Chapter 26: The Refraction of Light: Lenses and Optical Instruments
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Sample Questions
Q1) When an object is placed 15 cm from a lens,a virtual image is formed.Which one of the following conclusions is incorrect?
A)The lens may be a convex or concave.
B)If the image is upright the lens must be a diverging lens.
C)If the image is reduced,the lens must be a diverging lens.
D)If the lens is a diverging lens,the image distance must be less than 15 cm.
E)If the lens is a converging lens,the focal length must be greater than 15 cm.
Q2) Which pair of terms most accurately describes the image?
A)real,upright
B)virtual,upright
C)real,inverted
D)virtual,inverted
E)real,reduced
Q3) Determine the location of the final image.
A)48 cm to the right of the lens
B)96 cm to the right of the lens
C)30 cm to the left of the mirror
D)0.225 cm to the left of the mirror
E)0.225 cm to the right of the mirror
Page 11
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Chapter 29: Particles and Waves
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Sample Questions
Q1) What is the approximate kinetic energy of electrons that would be diffracted by such a grating?
A)1.5 × 10<sup>-</sup> eV
B)1.5 × 10<sup>-</sup> eV
C)1.5 × 10<sup>-</sup>² eV
D)1.5 × 10² eV
E)1.5 × 10 eV
Q2) What kinetic energy must each neutron in a beam of neutrons have if each has a wavelength of 0.10 nm? The mass of a neutron is 1.67 × 10<sup>-</sup>² kg.
A)6.6 × 10<sup>-</sup>¹ J
B)1.3 × 10<sup>-</sup>² J
C)2.6 × 10<sup>-</sup>² J
D)6.3 × 10<sup>-</sup>² J
E)7.1 × 10<sup>-</sup>² J
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