A device that transmits force or torque is called __________
Amechanical tool
Bmachine
Caxle
Dwedge
ESAS · Question Bank
Physics
106 of 236 questions match · page 3 of 6. Answer in your head first, then check the solution.
The hydrometer is an instrument used to measure _________
Apressure of a liquid
Bdensity of a liquid
CReynold's number
Dviscosity of liquid
The maximum displacement of an object undergoing harmonic motion on either side of its equilibrium position is called the _______ of the motion
Afrequency
Boscillation
Cperiod
Damplitude
What quantity is often used in describing harmonic motion?
AAmplitude
BFrequency
CPeriod
DOscillation
In a damped harmonic oscillator, what reduces the amplitude of the vibrations?
AForce
BPeriod
CFrequency
DFriction
What refers to a region of space at every point of which an appropriate test object would experience a force?
AEnergy field
BElectric field
CMagnetic field
DForce field
What is the approximate luminous intensity of a candle?
A1 candela
B1 lux
C1 lumen
Dall of these
What refers to the total amount of visible light given off by a light source?
ALuminous intensity
BLuminous flux
CLuminous efficiency
DIllumination
The third law of motion is also known as ________
ALaw of acceleration
BLaw of inertia
CLaw of interaction
DLaw of momentum
Air exerts a force that is opposite to the car's motion. What is this force called?
AReverse effective force
BTerminal force
CDrag force
DAerodynamic force
What refers to the measure of the energy of sound?
AIntensity
BLoudness
CPitch
DSone
What part of the human ear where sound energy is converted into electrical energy?
AEardrum
BCochlea
CTympanum
DEar canal
When white light is passed through a prism, the different lights are bent to varying degrees and are dispersed into different colors. Which of these colors bends the most?
AViolet
BRed
COrange
DGreen
The formation of rainbow in the sky is due to _________
Adiffraction
Breflection
Crefraction
Ddiffusion
What is diffraction?
AIt is the scattering of white light behind an obstruction
BIt is the separation of white light into its component colors
CIt is the merging of component colors into white light
DIt is the absorption of white light in the atmosphere
What is dispersion?
AIt is the scattering of white light behind an obstruction
BIt is the separation of white light into its component colors
CIt is the merging of component colors into white light
DIt is the absorption of white light in the atmosphere
What are the primary colors?
ABlue, Red, and White
BLight colors
CColors which when combined produce white light
DBlue, Red, and Green
A wave that needs a material medium through which it can travel as it transfers energy?
AElectromagnetic wave
BRadiowave
CMicrowave
DMechanical wave
What refers to the band of colors produced when sunlight passes through a prism?
ALight spectrum
BSolar spectrum
CWhite spectrum
DVisible spectrum
What refers to the property of some media to transmit light wave in a diffused matter to make objects behind them undistinguishable?
ALucidity
BLimpidity
CTransparent
DTranslucent