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EXAM 2ND SEM
P. Science
EXAM
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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