Question 1

At 'yield point' of a copper wire

Accepted Answer

A) the load hasn't exceeded the elastic limit yet; so, Hooke's law applies 
B) the load has already exceeded the elastic limit and the material has become plastic 
C) even the plastic stage has passed and the wire has snapped already 
D) Like Brass and Bronze, Copper has no yield point 
A) the load hasn't exceeded the elastic limit yet; so, Hooke's law applies 
B) the load has already exceeded the elastic limit and the material has become plastic 
C) even the plastic stage has passed and the wire has snapped already 
D) Like Brass and Bronze, Copper has no yield point

Question 2

Bernoulli's principle states that, for streamline motion of an incompressible non-viscous fluid:

Accepted Answer

A) the pressure at any part + the kinetic energy per unit volume = constant 
B) the kinetic energy per unit volume + the potential energy per unit volume = constant 
C) the pressure at any part + the potential energy per unit volume = constant 
D) the pressure at any part + the kinetic energy per unit volume + the potential energy per unit volume = constant 
A) the pressure at any part + the kinetic energy per unit volume = constant 
B) the kinetic energy per unit volume + the potential energy per unit volume = constant 
C) the pressure at any part + the potential energy per unit volume = constant 
D) the pressure at any part + the kinetic energy per unit volume + the potential energy per unit volume = constant

Question 3

While Young's modulus 'E' relates to change in length and bulk modulus 'K' relates to change in volume, modulus of rigidity 'G' relates to change in:

Accepted Answer

A) weight 
B) density 
C) shape 
D) temperature 
A) weight 
B) density 
C) shape 
D) temperature

Question 4

Total angular momentum of a body is given by

Accepted Answer

A) I × ω; where I: moment of inertia of the body, ω: angular velocity 
B) I² × ω; where I: moment of inertia of the body, ω: angular velocity 
C) I² × ω²; where I: moment of inertia of the body, ω: angular velocity 
D) I × ω²; where I: moment of inertia of the body, ω: angular velocity 
A) I × ω; where I: moment of inertia of the body, ω: angular velocity 
B) I² × ω; where I: moment of inertia of the body, ω: angular velocity 
C) I² × ω²; where I: moment of inertia of the body, ω: angular velocity 
D) I × ω²; where I: moment of inertia of the body, ω: angular velocity

At 'yield point' of a copper wire

Bernoulli's principle states that, for streamline motion of an incompressible non-viscous fluid:

While Young's modulus 'E' relates to change in length and bulk modulus 'K' relates to change in volume, modulus of rigidity 'G' relates to change in:

Total angular momentum of a body is given by

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Pressure, Hookes Law, Forces and Springs, Elasticity, Stress and Strain

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Exam 14: Physics Concepts and Formulas

At 'yield point' of a copper wire

Bernoulli's principle states that, for streamline motion of an incompressible non-viscous fluid:

While Young's modulus 'E' relates to change in length and bulk modulus 'K' relates to change in volume, modulus of rigidity 'G' relates to change in:

Total angular momentum of a body is given by

Physics Force, Acceleration, and Projectile Motion

Electrical and Physics Concepts

Physics Pressure, Energy, and Waves

Physics Capacitance, Magnetic Fields, and Circular Motion

Physics and Communication

Electrical and Digital Concepts and Terminology

Electricity and Magnetism

Magnetism and Electromagnetism

Magnetism, Op-Amps, and Sensing Devices

Physics Forces, Moments, and Gravitational Fields

Satellites, Gravitational Fields, and Gases

Electrical Circuit and Current

Pressure, Hookes Law, Forces and Springs, Elasticity, Stress and Strain

Physics Dimensions

Physics Topics: X-Rays, Ultrasound, Momentum, Force, and Energy

Momentum and Collisions

Physics Forces, Acceleration, and Units

Physics Terminology

Principles of Oscillatory Motion and Related Measurements

Physics and Measurement

Physics and Waves: Exploring Phenomena, Unification, and Detection

Physics and Nuclear Science

Radiation and Nuclear Science Basics

Understanding Electrical Properties and Phenomena

Energy and Temperature

Energy, Work, and Power

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