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UNIT TEST REVIEW EMR
Test Description: This review is intended to be a review for students,
Instructions: Answer all questions to get your test result.
1) EMR stands for
A
Electromagnetic Resonance
B
Electromagnet Rays
C
Electrical movement Radiation
D
Electromagnetic Radiations
2) The symbol for wavelength is
A
cm
B
λ
C
v
D
c
3) If the frequency goes up wavelength goes
A
sideways
B
up
C
down
D
nothing happens
4) n represents
A
quantity of photons
B
number of protons
C
quantum level
D
Education level
5) What is the symbol for frequency?
A
h
B
λ
C
E
D
ν (nu)
6) Scientist who studied Hydrogen atom was
A
Bohr
B
Max Plank
C
Mike
D
Einstein
7) Continuous spectrum
A
when two colors blend into each other
B
when only two colors are present
C
when one color blends into next color
D
when red and white are mixed
8) which part of spectrum has the lowest frequency?
A
Radio waves
B
Ultra violet
C
infra red
D
Gamma
9) Which part of spectrum has the longest wavelength
A
Microwaves
B
Radiowaves
C
Gamma
D
X rays
10) Which equation shows the relationship between energy and frequency?
A
E = h ν (nu)
B
E = mc
C
E = MC^2
D
E= 3v
*select an answer for all questions
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