How does the eye focus on objects?
(a) changing the focal length of the lens
(b) changing the distance between the lens and the retina
Give this one a try later!
changing the focal length of the lens
,According to a stationary observer, a moving clock runs
(a) faster or
(b) slower
than an identical stationary clock.
Give this one a try later!
slower
Consider a real image formed by a converging lens. If we block out the top half of the
lens, what happens to the image?
(a) top half disappears
(b) bottom half disappears
(c) none of the image disappears
Give this one a try later!
none of the image disappears
Two objects are traveling in opposite directions in some reference frame. Their speeds
are very near the speed of light. The speed of one object in the reference frame of
the other object is
(a) greater than the sum,
(b) less than the sum, or
(c) equal to the sum
of their speeds in the original reference frame.
Give this one a try later!
, less than the sum
Consider an electron and a proton, each with a kinetic energy equal to 1 MeV. Which
particle is moving at a relativistic speed?
(a) electron
(b) proton
The rest energy of an electron is 0.511 MeV, and the rest energy of a proton is 938
MeV.
Give this one a try later!
electron
PV diagram for isothermal
Give this one a try later!
Delta T = 0
Delta Eint = 0
What kind of wave is sound?
(a) longitudinal
(b) transverse
Give this one a try later!
(a) changing the focal length of the lens
(b) changing the distance between the lens and the retina
Give this one a try later!
changing the focal length of the lens
,According to a stationary observer, a moving clock runs
(a) faster or
(b) slower
than an identical stationary clock.
Give this one a try later!
slower
Consider a real image formed by a converging lens. If we block out the top half of the
lens, what happens to the image?
(a) top half disappears
(b) bottom half disappears
(c) none of the image disappears
Give this one a try later!
none of the image disappears
Two objects are traveling in opposite directions in some reference frame. Their speeds
are very near the speed of light. The speed of one object in the reference frame of
the other object is
(a) greater than the sum,
(b) less than the sum, or
(c) equal to the sum
of their speeds in the original reference frame.
Give this one a try later!
, less than the sum
Consider an electron and a proton, each with a kinetic energy equal to 1 MeV. Which
particle is moving at a relativistic speed?
(a) electron
(b) proton
The rest energy of an electron is 0.511 MeV, and the rest energy of a proton is 938
MeV.
Give this one a try later!
electron
PV diagram for isothermal
Give this one a try later!
Delta T = 0
Delta Eint = 0
What kind of wave is sound?
(a) longitudinal
(b) transverse
Give this one a try later!
