Light scattered perpendicularly to an incident beam is partly
ADiffracted
BPolarized
CMonochromatic
DRefracted
ESAS · Question Bank
Physics
236 questions · page 11 of 12. Answer in your head first, then check the solution.
What is the SI unit of mass?
ANewton
BKilogram
CSlug
DPound
Pluto travels from Perihelion to aphelion. What is the work done by gravity on pluto?
AZero
BNegative
CPositive
DUndetermined
What is the principle behind fiber optics?
AReflection
BRefraction
CDiffraction
DDispersion
When magma rocks cool, these rocks are called
AGranite
BSedimentary rocks
CIgneous rocks
DMetamorphic rocks
The chief source of energy in the world today is
ACoal
BOil
CNatural gas
DUranium
The phenomenon of melting under pressure and freezing again when the pressure is reduced is known as
ASublimation
BCondensation
CDeposition
DRegelation
1 kWhr is how many kilojoules?
A360
B3600
C1000
D100
As a person moves closer to a plane mirror, the size of the image formed by the mirror
ARemains the same
BGets larger
CGet smaller
DIncreases, then decreases
Which of the following is the poorest conductor of electricity?
ACarbon
BSilver
CSteel
DAluminum
Who invented the barometer?
ATorricelli
BAvogadro
CRutherford
DBecquerel
How do you measure the voltage of a circuit element?
AVoltmeter in series with the element
BVoltmeter in parallel with the element
CAmmeter in parallel with the element
DAmmeter in series with the element
Earth’s surface is part of the
AAsthenosphere
BLithosphere
CBenthosphere
DTroposphere
What do you call materials that do not conduct electric current?
AConductor
BInsulator
CSemi-conductor
DIntrinsic material
A glass of ice water is filled to the brim with water, the ice cubes stick up above the water surface. After the ice melts, which is true?
AThe water level is below the top of the glass
BThe water level is at the top of the glass but no water has spilled
CSome water has spilled over the sides of the glass
DImpossible to say without knowing the initial densities of the water and the ice.
In a transverse wave, the individual particles of the medium
AMove in circles
BMove in ellipses
CMove parallel to the direction of the wave’s travel
DMove perpendicular to the direction of the wave’s travel
Which of the following is non-renewable energy?
ANuclear
BWind
CSolar
DGeothermal
A gamma ray is composed of
AHigh energy protons
BHigh energy electrons
CHigh energy neutrons
DHigh energy electromagnetic radiation
The ratio of the velocity of light in vacuum to its velocity of another material is
ASpecific index
BPoisson’s ratio
CRefractive index
DModulus ratio of elasticity
The fastest-growing renewable energy resource today is
ANuclear
BCoal
CWind
DGeothermal