PHY101 Quiz 5 With Solutions Fall 22 by GetReady
The ratio of the size of image to
the size of object:
The ratio of the size of an image to the size of an object
is called the scale factor or magnification factor. It is expressed as a
fraction or a decimal value indicating the amount by which the image is larger
or smaller than the original object. For example, if the scale factor is 2, the
image is twice as large as the object, and if the scale factor is 0.5, the
image is half the size of the object.
PHY101 Quiz 4 With Solutions Fall 22
When white light passes through a prism, it splits into ________ colors.
When white light passes through a prism, it splits into
seven colors, which are commonly referred to as the "spectrum" of
light: red, orange, yellow, green, blue, indigo, and violet. This phenomenon is
known as refraction, and the individual colors are separated because each color
has a different wavelength and therefore bends at a slightly different angle as
it passes through the prism.
PHY101 Quiz 4 With Solutions Fall 22
Of the following which might NOT vanish over one cycle of a cyclic process?
Of the following, the only quantity that might NOT vanish
over one cycle of a cyclic process is the net work done on a system. The other
quantities, such as heat transfer, internal energy change, and entropy change,
can either increase or decrease over a cycle, but they typically vanish over
one complete cycle of a cyclic process because a cycle means the process
returns to its initial state. The net work done, however, is path-dependent,
meaning it depends on the specific path taken during the cycle, and therefore
it may not vanish over one complete cycle.
PHY101 Quiz 4 With Solutions Fall 22
A charge of 30 C flows through an electric appliance in 2.0 minutes. What is the average current in the appliance?
The average current in the appliance can be calculated using
the formula:
current (I) = charge (Q) / time (t)
Substituting the given values:
I = 30 C / 2.0 minutes
Since a minute is equivalent to 60 seconds, we need to
convert minutes to seconds:
I = 30 C / (2.0 * 60 seconds)
I = 30 C / 120 seconds
I = 0.25 A (amperes)
Therefore, the average current in the appliance is 0.25 A.
PHY101 Quiz 4 With Solutions Fall 22
The electron states that constitute a single shell for an atom all have:
The electron states that constitute a single shell for an
atom all have the same principal quantum number (n). The principal quantum
number is the main quantum number in atomic physics and determines the average
distance of the electron from the nucleus and its energy level. Electrons in
the same shell have the same value of n and are referred to as being in the
same orbital. Within a shell, the electrons occupy different sub-orbitals with
different angular momentum quantum numbers (l) and magnetic quantum numbers
(m). These sub-orbitals determine the shape and orientation of the electron
cloud in space.
PHY101 Quiz 4 With Solutions Fall 22
Constant-volume gas thermometers
using di?erent gases all indicate nearly the same temperature when in contact
with the same object if:
Constant-volume gas thermometers using different gases all
indicate nearly the same temperature when in contact with the same object if
they are calibrated at the same temperature and pressure. This is because the
temperature reading of a constant-volume gas thermometer is directly
proportional to the pressure of the gas in the thermometer. For a given pressure,
different gases will have the same temperature if they are in thermal
equilibrium with each other. This property is known as the principle of the
perfect gas, which states that the pressure, volume, and temperature of a gas
are related by the ideal gas law: PV = nRT, where n is the number of moles of
gas, R is the universal gas constant, and T is the temperature in kelvins.
Therefore, by ensuring that the pressure of the gas in each
thermometer is the same, and that they are all calibrated at the same temperature
and pressure, they will all indicate nearly the same temperature when in
contact with the same object.
PHY101 Quiz 4 With Solutions Fall 22
Radio waves and light waves are
__________.
Radio waves and light waves are both electromagnetic waves.
Electromagnetic waves are transverse waves that travel through a vacuum at the
speed of light and are characterized by their electric and magnetic field
components that are perpendicular to each other and to the direction of wave
propagation. Both radio waves and light waves are part of the electromagnetic
spectrum, which also includes X-rays, ultraviolet light, visible light,
infrared radiation, and microwave radiation. The main difference between radio
waves and light waves is their wavelength and frequency, with radio waves
having longer wavelengths and lower frequencies, and light waves having shorter
wavelengths and higher frequencies.
PHY101 Quiz 4 With Solutions Fall 22
Which of the following statements is NOT TRUE about electromagnetic waves?
!
All of the following statements are true about
electromagnetic waves:
Electromagnetic waves can travel through a vacuum.
Electromagnetic waves have
