Which of the ff thermometers is best suited for measuring a temperature of nearly \( 1500^\circ\text{C} \) ?
AGas thermometer
BPlatinum resistance thermometer
CThermocouple thermometer
DMercury thermometer
ESAS · Question Bank
Physics
23 of 236 questions match · page 1 of 2. Answer in your head first, then check the solution.
Which of the ff is equivalent to the unit "candela"?
Alumen/m²
Bfootcandle/steradian
Clux/steradian
Dlumen/steradian
How many kilograms are there in one slug?
A11.9
B12.5
C13.2
D14.6
The coefficient of restitution always applies ___________
Ato only one of the colliding objects
Bto neither of the colliding objects
Cjointly to the colliding objects
Dto the bigger colliding objects
What particles will experience tangential accelerations?
AThose particles whose angular speed changes
BThose particles whose angular speed remains constant
CAll particles
DThose particles whose angular speed is zero
What is the average pressure of the earth's atmosphere at sea level?
A1.042 bar
B1.021 bar
C1.013 bar
D1.037 bar
The ________ of a pivotal object is that point at which it can be strucked without producing a reaction force on its pivot.
Acenter of gravity
Bcenter of oscillation
Caxis of oscillation
Dcenter of mass
The _______ of an electric field is the electric potential energy per unit volume associated with it
Acapacitance
Bpolar energy
Cenergy density
Ddielectric constant
What refers to the measure of how effective a material is in reducing an electric field set up across a sample of it?
AElectronegativity
BPotential difference
CDielectric constant
DEnergy density
"Every point on the wavefront can be considered as a source of secondary wavelets that spread out in all directions with the wave speed of the medium. The wavefront at any time is the envelope of these wavelets" This is known as
AHuygen's principle
BSnell's law
CMaxwell's hypothesis
DDoppler's effect
What is the index of refraction of air?
A1.03
B1.003
C1.0003
D1.00003
Which one best describes the meniscus lens?
AIt has only concave surfaces
BIt has only convex surfaces
CIt has no concave surface and no convex surface
DIt has one concave surface and one convex surface
The resolving power of an optical system is ________ the objective lens of the optical system?
Adirectly proportional
Binversely proportional
Cequal
Dnot related to
What refers to the increase in the measured mass of an object when it is moving relative to an observer?
AExclusion principle
BQuantum theory of mass
CState of mass
DRelativity of mass
What is the wavelength band of orange?
A550nm - 600 nm
B600nm - 650 nm
C650nm - 700nm
D500nm -550nm
What device is used to measure atmospheric pressure and is consists of a glass tube sealed at one end and filled with mercury and a slide with a vernier scale?
ABourdon gauge
BAneroid barometer
CMercury barometer
DManometer
Kepler's second law is based on which of the ff?
ALaw of universal gravitation
BLaw of conservation of angular momentum
CTheory of relativity
DLaw of conservation of energy
What is the value of the escape velocity in km/s?
A11.2
B12.1
C13.2
D14.1
The velocity of sound in air is equal to the square root of the ratio of the pressure of the gas to the density of the medium. This equation is known as:
AMaxwell's formula
BHuygen's formula
CLaplace formula
DNewton's formula
A diatonic scale is a musical scale build up of how many major chords?
A2
B3
C4
D5