9
In the SI system, the difference among higher and lower case letters is meaningful and must
be located. For instance, the meanings of the prefix m (milli) and M (mega) vary by way of
what number of orders of value?
A. 3
b. 6
c. Nine
d. 12
B
The inverse square law is described via which method? (Use A, B, C, or D as an answer) a.
(I^1 / D^1) = (I^2 / D^2)
b. (I1 / D2^2) = (I2 / D1^2)
c. (I2^1 / D1) = (I2^2 / D2)
d. (I^1 D1)^2 = (I^2 D^2) ^2
eight years
If 1/8 of a pattern of a radioisotope stays after 24 years, what is the 1/2 existence of the
radioisotope?
A. Three years b. Four years about six years d. 8 years
Positron
A definitely charged particle with a mass same to the electron is the:
a. Proton
b. Positron
c. Meson
d. Deuteron
Atomic range
The variety of protons inside the nucleus is called the:
a. Atomic mass
b. Atomic weight
c. Atomic wide variety
d. Relative atomic mass
C
Which of the following isn't always one of the five principal methods that atoms spoil down?
(Answer with A, B, C, or D)
a. Emission of an alpha particle
b. Emission of a beta particle
c. Quantum scintillation
d. Spontaneous fission
B
The atomic quantity and the nucleus' mass are each reduced by way of ________ whilst an
alpha particle is launched. (Answer with A, B, C, or D)
a. 4, 4
b. Four, 2
, c. 2, 2
d. 2, 4
6.25%
After 4 1/2 lives, what percentage of a radioisotope's lifestyles remains?
A. 25%
b. 12.Five%
c. 6.25%
d. 3.12%
Compton scattering
The time period "powerful discount in strength" refers back to the aggregate of the release
of a photon with a lower energy and the absorption of a photon. A. Photoelectric impact
b. Compton scattering
c. Production of pairs d. Rayleigh scattering
A
The best difference between beta particles and excessive-pace electrons is they: (Answer
with A, B, C, or D)
a. Should have a fantastic or bad rate b. Have two times the relaxation mass
c. Have contrary sin and magnetic moment
d. Have twice the wavelength of the compton Electron seize
Which of the following isn't always one of the three primary photon attenuation strategies?
A. Compton scattering
b. Photoelectric effect
c. Pair production
d. Electron seize
Joule
In the SI machine, the unit of energy is the:
a. Joule
b. Pascal
c. Newton
d. Watt
B
An alpha particle is:
(Use A, B, C, or D as an answer) a. One particle inside the elegance of particles known as
leptons
b. Identical to a helium nucleus
c. A kind of quark
d. Relatively small to other particles Straight line
A semilogarithmic plot of the percent of radioactive cloth final as opposed to time effects in
a(n):
a. Ellipse
b. Hyperbolic curve
c. Quadratic curve
d. Unbroken line Production of pairs The introduction of a positron and an electron from the
interplay of a photon with an strength of at the least 1.02 MeV and a robust electric area,
inclusive of that surrounding an atomic nucleus, is called:
a. Photoelectric efect
b. Compton scattering
c. Production of pairs d. Rayleigh scattering