EXAM

Cards (36)

  • NOT an observation that was used in Greeks
    passing star proved the shape of the earth
  • relationship between the times of revolution (Kepler discover)
    are proportional to the cube
  • were already observed by the ancient people
    Solar Eclipse
  • object undergo acceleration?
    when it GAINS SPEED
  • roll a ball along a level of surface
    Keep rolling if friction is absent
  • straight line motion
    Free fall motion
  • an object if no external forces act on it
    moving the same speed
  • following statement is true?
    ALL OF THE ABOVE
  • true about acceleration due to gravity?
    It increase in decreasing altitude
  • depends on the mass and amount force applied
    Law of Acceleration
  • a ball placed on top of a table, what Law?
    Law of Inertia
  • described by Isaac Newton as a natural motion

    A smoke moves upward the atmosphere
  • separation of colors in a rainbow
    Refraction
  • dispersion property of light
    The rainbow in the sky
  • particle of light
    Photon
  • causes of sun burn
    High frequency
  • photon incident to a metal surface
    Photoelectric effect
  • shows bending of light
    refraction
  • experiment conducted by Albert Einstein
    Photoelectric effect
  • white clouds, blue sky, and red sunset
    Scattering
  • refraction of light as it travels between hot and cold ai?
    Mirage
  • exemplifies the dispersion property of light
    the rainbow in the sky
  • why does a blue t-shirt appear blue?
    it is reflected
  • two reflections happened inside the water droplets
    secondary rainbow
  • diffraction of light occur
    when waves spread
  • inside a rainbow?
    supernumerary
  • unit of frequency was named after
    Heinrich Hertz
  • conflict between Newtonian mechanics and Maxwell's electromagnetic theory?
    Theory of general relativity
  • one of two identical twins
    the astronaut aged less
  • clocks in a stationary reference frame
    slow
  • states that inertial and gravitational masses are

    identical
  • NOT a consequence of General Theory of Relativity
    Time Dilation
  • inertial frame of reference
    Special theory of Relativity
  • age of the universe
    14 B years
  • a small, hit, dense state that rapidly expanded
    Big Bang Theory
  • significant contribution of Sir Isaac Newton
    al objects of the universe will be attracted by one another