Physics

Which experiment best illustrates the particle-like nature of light?

Which experiment best illustrates the particle-like nature of light?

Which experiment best illustrates the particle-like nature of light?
A) photoelectric effect
B) double-slit experiment
C) both of these
D) neither of these

Hellohi21   76   1 Reply

AaronReborn

Which explanation best describes why Earth observers always see the same face of

Which explanation best describes why Earth observers always see the same face of

Which explanation best describes why Earth observers always see the same face of the moon?
A) The Moon's rate of spin matches the rate at which the Moon revolves around Earth.
B) The Moon does not rotate as it circles Earth.
C) We

einsteindude   309   1 Reply

bSharp

Which fact first gave Alfred Wegener the idea that continents have drifted and are still drifting ...

Which fact first gave Alfred Wegener the idea that continents have drifted and are still drifting ...

Which fact first gave Alfred Wegener the idea that continents have drifted and are still drifting over the Earth's surface?
A)   The ocean floors were much younger than the continents, indicating that they were still being formed.
B)   The

doit_the_clown   204   1 Reply

papachulo

Which factor, more than any other, modifies the evolutionary tracks of stars in binary combinations ...

Which factor, more than any other, modifies the evolutionary tracks of stars in binary combinations ...

Which factor, more than any other, modifies the evolutionary tracks of stars in binary combinations compared to their single-star counterparts?
A)   Tidal distortion of the shapes of the stars
B)   Reduction of the quantum mechanical limitation

symbo   98   2 Replies

symbo

Which feature of Jupiter leads to the confinement of its clouds in very narrow bands around the ...

Which feature of Jupiter leads to the confinement of its clouds in very narrow bands around the ...

Which feature of Jupiter leads to the confinement of its clouds in very narrow bands around the planet?
A)   Its high gravitational field
B)   Its powerful magnetic field
C)   Convection currents and up-welling within its atmosphere
D)   

staedtler   67   2 Replies

staedtler

Which features highlight and outline the spiral arms in a spiral galaxy?(a)Very bright, hot, O and B ...

Which features highlight and outline the spiral arms in a spiral galaxy?(a)Very bright, hot, O and B ...

Which features highlight and outline the spiral arms in a spiral galaxy?

(a)   Very bright, hot, O and B stars and their surrounding nebulae.
(b)   Many very old, bright, red stars that have burned off their dust and gas clouds and have b

doit_the_clown   95   1 Reply

discoverer

Which force binds atoms together to form molecules?

Which force binds atoms together to form molecules?

Which force binds atoms together to form molecules?
A) gravitational
B) nuclear
C) electrical
D) centripetal
E) none of the above

einsteindude   329   1 Reply

bSharp

Which force does not diminish with increasing distance?

Which force does not diminish with increasing distance?

[html]Which force does not diminish with increasing distance?

▸ the force between quarks

▸ the force between opposite charges

▸ the force between masses

▸  the force between magnets

▸  None of these choices

Hareplity   54   1 Reply

jay2013

Which force field can accelerate an electron?

Which force field can accelerate an electron?

Which force field can accelerate an electron?
A) electric field
B) magnetic field
C) both of these
D) neither of these

Fattbatts   33   1 Reply

palmerga

Which force induces the core to contract inward and get hotter in massive stars at the conclusion of ...

Which force induces the core to contract inward and get hotter in massive stars at the conclusion of ...

Which force induces the core to contract inward and get hotter in massive stars at the conclusion of each episode of nuclear fusion, such as the carbon-, oxygen-, and silicon- fusion cycles?
A)   Gravity
B)   Gas pressure produced by the very h

staedtler   45   2 Replies

staedtler

Which force is responsible for holding the protons and neutrons together in the nucleus?

Which force is responsible for holding the protons and neutrons together in the nucleus?

Which force is responsible for holding the protons and neutrons together in the nucleus?

▸ strong

▸ gravity

▸ weak

▸ coulomb

▸ electromagnetic

▸ centrifugal

bennick   35   1 Reply

miil41

Which forces have physicists shown to be the same force under conditions of very

Which forces have physicists shown to be the same force under conditions of very

Which forces have physicists shown to be the same force under conditions of very high temperature, as confirmed by experiments in particle accelerators?
A) gravity and the weak force
B) gravity and the strong force
C) the strong and we

killian   407   2 Replies

killian

Which form of electromagnetic radiation is absorbed by carbon dioxide and water vapor in our atmosph

Which form of electromagnetic radiation is absorbed by carbon dioxide and water vapor in our atmosph

Which form of electromagnetic radiation is absorbed by carbon dioxide and water vapor in our atmosphere?
A) visible light      B) infrared      C) gamma rays      D) radio      E) ultra

Tsync   112   3 Replies

Ratatouille

Which form of electromagnetic radiation would be blocked in the stratosphere by ozone?

Which form of electromagnetic radiation would be blocked in the stratosphere by ozone?

Which form of electromagnetic radiation would be blocked in the stratosphere by ozone?
A) ultraviolet      B) cosmic rays      C) visible light      D) infrared      E) microwaves

Tsync   223   3 Replies

Ratatouille

Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is ...

Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is ...

Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is acceleration, x is distance, and t is time)
 a. v/t2
  c. v2/t
  b. vx2
  d. at


[Ques. 2]

yadwinder   42   2 Replies

yadwinder

Which four moons of the jovian planets show the most promise of life?

Which four moons of the jovian planets show the most promise of life?

Which four moons of the jovian planets show the most promise of life?
A) Titan, Enceladus, Dione, Mimas
B) Enceladus, Europa, Ganymede, Titan
C) Miranda, Titania, Ariel, Oberon
D) Ganymede, Titan, Miranda, Enceladus
E) Io, Ga

Tsync   570   3 Replies

Ratatouille

Which fundamental fact about the electromagnetic force explains why electromagne

Which fundamental fact about the electromagnetic force explains why electromagne

Which fundamental fact about the electromagnetic force explains why electromagnetic waves exist, rather than simply electromagnetic force?
A) The electromagnetic force acts instantaneously at a distance, with no delay time.
B) The electro

einsteindude   187   1 Reply

mel!811

Which fundamental particle is believed to create the physical property called “mass” when it ...

Which fundamental particle is believed to create the physical property called “mass” when it ...

Which fundamental particle is believed to create the physical property called “mass” when it interacts with other particles?
A)   The proton
B)   The neutrino
C)   The Higgs particle
D)   The WIMP (Weakly-Interacting Massive Particle)

doit_the_clown   43   1 Reply

hyponotica

Which galaxy rotation curve, based on hydrogen gas speeds and locations, would i

Which galaxy rotation curve, based on hydrogen gas speeds and locations, would i

Which galaxy rotation curve, based on hydrogen gas speeds and locations, would indicate an unusually large amount of dark matter?
A) Orbital speeds decline, beyond where the stars are.
B) Orbital speeds remain constant, beyond where the sta

killian   927   2 Replies

killian

Which galaxy, as observed, has aged the most since it was born?

Which galaxy, as observed, has aged the most since it was born?

Which galaxy, as observed, has aged the most since it was born?
A) A very distant galaxy
B) A nearby galaxy
C) The distance of a galaxy doesn't matter.

killian   574   2 Replies

killian

Which gas gives the characteristic odor to smelling salts and some household cleaners?

Which gas gives the characteristic odor to smelling salts and some household cleaners?

Which gas gives the characteristic odor to smelling salts and some household cleaners?
 a. Ammonia
  b. Carbon dioxide
  c. Chlorine
  d. Ozone


[Ques. 2] Rhombohedral cleavage is displaye

aac387   68   2 Replies

aac387

Which gas is not involved in ozone depletion?

Which gas is not involved in ozone depletion?

Which gas is not involved in ozone depletion?
 
  a. chlorine
  b. nitric oxide
  c. neon
  d. bromine
  e. hydrogen

Leahh3749   62   1 Reply

DRIGGS14

Which gas is thought to be responsible for the tremendous eruptions of material from Jupiter's ...

Which gas is thought to be responsible for the tremendous eruptions of material from Jupiter's ...

Which gas is thought to be responsible for the tremendous eruptions of material from Jupiter's innermost Galilean moon, Io, by providing the propulsive forces?
A)   Sulfur in vapor form   C)   Carbon dioxide, CO2
B)   Sulfur dioxide, SO2   D)   St

staedtler   84   2 Replies

staedtler

Which geometrical shape has the least surface area for a given volume?

Which geometrical shape has the least surface area for a given volume?

Which geometrical shape has the least surface area for a given volume?
A) cube
B) pyramid
C) cylinder
D) sphere
E) none of the above

083055   64   1 Reply

Noochie

Which has a greater luminosity, a star with absolute magnitude +4 or a star with

Which has a greater luminosity, a star with absolute magnitude +4 or a star with

Which has a greater luminosity, a star with absolute magnitude +4 or a star with absolute magnitude -6? By how much is it brighter?

ppk   2489   1 Reply

how_mendel

Which has greater kinetic energy, a car traveling at 30 km/h or a car of half th

Which has greater kinetic energy, a car traveling at 30 km/h or a car of half th

Which has greater kinetic energy, a car traveling at 30 km/h or a car of half that mass traveling at 60 km/h?
A) the 30-km/h car
B) the 60-km/h car
C) Both have the same kinetic energy.

einsteindude   876   1 Reply

bSharp

Which has greater kinetic energy?

Which has greater kinetic energy?

Which has greater kinetic energy?
A) a car traveling at 30 km/hr
B) a car of half the mass traveling at 60 km/hr
C) both the same
D) need more information

john6969   39   1 Reply

Chris Rodz

Which has more atoms: a 1-gram sample of carbon-12 or a 1-gram sample of carbon-

Which has more atoms: a 1-gram sample of carbon-12 or a 1-gram sample of carbon-

Which has more atoms: a 1-gram sample of carbon-12 or a 1-gram sample of carbon-13?
A) a 1-gram sample of carbon-12
B) a 1-gram sample of carbon-13
C) They have the same number of atoms.
D) More information is needed.

einsteindude   256   2 Replies

bSharp

Which has more energy per photon?

Which has more energy per photon?

Which has more energy per photon?
A) red light
B) blue light
C) both the same

Jay.M   24   1 Reply

arusha_momin

Which has more energy, a photon of ultraviolet radiation or a photon of yellow light?

Which has more energy, a photon of ultraviolet radiation or a photon of yellow light?

Which has more energy, a photon of ultraviolet radiation or a photon of yellow light?

riosmcdowell   734   3 Replies

tony1995

Which has more skin compared to its body weight?

Which has more skin compared to its body weight?

Which has more skin compared to its body weight?
A) an elephant
B) a mouse
C) both the same

alemvrocha   49   1 Reply

mmondol

Which has more skin?

Which has more skin?

Which has more skin?
A) an elephant
B) a mouse
C) both the same

Gunveen   37   1 Reply

notreal

Which has stronger attractions among its submicroscopic particles: a solid at 25

Which has stronger attractions among its submicroscopic particles: a solid at 25

Which has stronger attractions among its submicroscopic particles: a solid at 25°C or a gas at 25°C?
A) The attractions among the submicroscopic particles of the solid must be stronger than the attractions among the particles of the gas.

einsteindude   303   2 Replies

bSharp

Which has the greater density, a lake full of water or a cupful of lake water?

Which has the greater density, a lake full of water or a cupful of lake water?

Which has the greater density, a lake full of water or a cupful of lake water?
A) the cupful of lake water
B) the lake
C) both have the same density

OkeyDokey   98   2 Replies

OkeyDokey

Which has the greater density?

Which has the greater density?

Which has the greater density?
A) a cup-full of fresh water
B) a lake-full of fresh water
C) both the same
D) need more information

elmajn   32   1 Reply

Suliman

Which has the greater mass?

Which has the greater mass?

Which has the greater mass?
A) a king-size pillow
B) an automobile battery
C) both about the same

einsteindude   310   1 Reply

bSharp

Which has the greater specific heat capacity; the filling of a hot piece of pie or the crust?

Which has the greater specific heat capacity; the filling of a hot piece of pie or the crust?

Which has the greater specific heat capacity; the filling of a hot piece of pie or the crust?
A) the filling
B) the crust
C) depends on the temperature

Josh   52   1 Reply

connorfitz

Which has the greatest density?

Which has the greatest density?

Which has the greatest density?
A) 1 kg of feathers
B) 10 kg of feathers
C) 1 kg of lead

einsteindude   891   1 Reply

bSharp

Which has the greatest number of atoms?

Which has the greatest number of atoms?

Which has the greatest number of atoms?
A) 28 g of nitrogen,  
B) 32 g of oxygen,  
C) 16 g of methane, C
D) 38 g of fluorine,

SSASSY   57   1 Reply

justjocelynn97

Which has the highest frequency?

Which has the highest frequency?

Which has the highest frequency?
A) red light.
B) green light.
C) blue light.
D) all the same

risssssss   20   3 Replies

missnp