1|Page
PHYS 1260 Exam 4 ||Verified Exam!!|| Most Recent
Exam Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already Graded
A+ || Newest Exam!!!
When waves from a pair of closely spaced slits arrive in
phase
A) a bright fringe is produced
B) a dark fringe is produced
C) both bright and dark fringes are produced
D) [none of these] - Answer-A) a bright fringe is produced
Interference colors in a soap bubble is evidence that the
soap film
A) has two reflecting surfaces
B) is thin
C) [both of these]
D) [neither of these] - Answer-C) [both of these]
According to the special theory of relativity, while traveling
at very high speed your pulse rate
A) increases
,2|Page
B) decreases
C) remains unchanged - Answer-C) remains unchanged
Light from two closely spaced stars cannot produce a
steady interference pattern due to
A) incoherence
B) the inherent instability of the atmosphere
C) their different radial distances
D) their non-point like nature
E) closely spaced stars not producing interference
patterns - Answer-A) incoherence
In the double slit experiment, fringes are more widely
spaced when illumination is with monochromatic (single
color)
A) longer wavelength light
B) shorter wavelength light
C) polarized light
D) [none of these] - Answer-A) longer wavelength light
,3|Page
A spaceship whizzes past a planet at high speed. An
observer on the planet sees a contracted spaceship, while
an observer on the spaceship sees
A) a contracted planet
B) an expanded planet
C) a normal planet
D) a contracted or expanded planet depending on the
direction of travel - Answer-A) a contracted planet
According to Einstein's theory of special relativity
A) space and time are aspects of each other
B) energy and mass are aspects of each other
C) [both of these]
D) [neither of these] - Answer-C) [both of these]
Comparing the light from a glowing tube of neon gas and
the beam of a helium-neon laser, there is a greater
number of spectral lines in light from the
A) neon gas tube
B) laser beam
C) [both about the same] - Answer-A) neon gas tube
, 4|Page
According to Louis de Broglie, a material particle has
A) particle properties
B) wave properties
C) [both of these]
D) [neither of these] - Answer-C) [both of these]
The more we know about a particle's position, the less we
know about its
A) speed
B) momentum
C) kinetic energy
D) [all of these]
E) [none of these] - Answer-D) [all of these]
When an electron de-excites from the third quantum level
to the second, and then to the ground state, two photons
are emitted. The sum of the emitted frequencies equals
the frequency of the single photon that would be emitted if
de-excitation were from the third to
A) the second level
PHYS 1260 Exam 4 ||Verified Exam!!|| Most Recent
Exam Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already Graded
A+ || Newest Exam!!!
When waves from a pair of closely spaced slits arrive in
phase
A) a bright fringe is produced
B) a dark fringe is produced
C) both bright and dark fringes are produced
D) [none of these] - Answer-A) a bright fringe is produced
Interference colors in a soap bubble is evidence that the
soap film
A) has two reflecting surfaces
B) is thin
C) [both of these]
D) [neither of these] - Answer-C) [both of these]
According to the special theory of relativity, while traveling
at very high speed your pulse rate
A) increases
,2|Page
B) decreases
C) remains unchanged - Answer-C) remains unchanged
Light from two closely spaced stars cannot produce a
steady interference pattern due to
A) incoherence
B) the inherent instability of the atmosphere
C) their different radial distances
D) their non-point like nature
E) closely spaced stars not producing interference
patterns - Answer-A) incoherence
In the double slit experiment, fringes are more widely
spaced when illumination is with monochromatic (single
color)
A) longer wavelength light
B) shorter wavelength light
C) polarized light
D) [none of these] - Answer-A) longer wavelength light
,3|Page
A spaceship whizzes past a planet at high speed. An
observer on the planet sees a contracted spaceship, while
an observer on the spaceship sees
A) a contracted planet
B) an expanded planet
C) a normal planet
D) a contracted or expanded planet depending on the
direction of travel - Answer-A) a contracted planet
According to Einstein's theory of special relativity
A) space and time are aspects of each other
B) energy and mass are aspects of each other
C) [both of these]
D) [neither of these] - Answer-C) [both of these]
Comparing the light from a glowing tube of neon gas and
the beam of a helium-neon laser, there is a greater
number of spectral lines in light from the
A) neon gas tube
B) laser beam
C) [both about the same] - Answer-A) neon gas tube
, 4|Page
According to Louis de Broglie, a material particle has
A) particle properties
B) wave properties
C) [both of these]
D) [neither of these] - Answer-C) [both of these]
The more we know about a particle's position, the less we
know about its
A) speed
B) momentum
C) kinetic energy
D) [all of these]
E) [none of these] - Answer-D) [all of these]
When an electron de-excites from the third quantum level
to the second, and then to the ground state, two photons
are emitted. The sum of the emitted frequencies equals
the frequency of the single photon that would be emitted if
de-excitation were from the third to
A) the second level
