PHYS 1010 Midterm 1 (Units 1-3) |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
exam with correct answers |||\\\ |||\\\ |||\\\
A continuous spectrum is
|||\\\ |||\\\ |||\\\
a) A band with most of the colours
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b) A solid line of one colour
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c) A spectrum of all the wavelengths in the rainbow
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d) A solid black band
|||\\\ |||\\\ |||\\\ |||\\\
e) None of these answers - correct answer✔✔A spectrum of all the wavelengths in the
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
rainbow
The simplest atom is|||\\\ |||\\\ |||\\\ |||\\\
a) Carbon |||\\\
b) An alpha particle
|||\\\ |||\\\ |||\\\
c) Hydrogen
|||\\\
d) Argon |||\\\
e) Helium - correct answer✔✔Hydrogen
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Visible light takes up most of the electromagnetic spectrum
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) True |||\\\
b) False - correct answer✔✔False
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
,We call a light particle a ___________ - correct answer✔✔Photon/Photons
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Electromagnetic radiations gets _________ as it moves away from its source |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) Weaker |||\\\
b) Lower in frequency
|||\\\ |||\\\ |||\\\ |||\\\
c) More intense
|||\\\ |||\\\
d) Brighter |||\\\
e) Slower - correct answer✔✔Weaker
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
If 11 waves takes 13 seconds to hit the shore, what is the frequency of the waves? Round to
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
one decimal place |||\\\ |||\\\
F = waves/time (s) - correct answer✔✔0.8
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
The ___________ of a source determines the type of radiation emitted - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
answer✔✔Temperature
An emission spectrum is a pattern of
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) Bright lines against a black background
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
b) Black lines against a continuous spectrum background
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c) Bright lines of a single colour specifying the emission type
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d) Coloured lines against a white background
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
e) All the colours of the rainbow - correct answer✔✔Bright lines against a black background
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
, The number of wavelengths that pass by each second is called the _____________ - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
answer✔✔Frequency
Light can act as a particle or a wave
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) True
|||\\\
b) False - correct answer✔✔True
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
When there are missing colours seen as dark lines on a spectrum they are called
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) Absorption spectrum
|||\\\ |||\\\
b) Continuous spectrum
|||\\\ |||\\\
c) Emission lines
|||\\\ |||\\\
d) None of these
|||\\\ |||\\\ |||\\\
e) Emission spectrum - correct answer✔✔Absorption spectrum
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
From longest to shortest wavelengths, order the following types of electromagnetic radiation -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
correct answer✔✔1. Radio |||\\\ |||\\\ |||\\\
2. Microwave
|||\\\
3. Infrared
|||\\\
4. Visible
|||\\\
5. Ultraviolet
|||\\\
6. X-ray
|||\\\
7. Gamma
|||\\\
By studying the light from distant objects, we can deduce information such as (pick all that
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
apply)
exam with correct answers |||\\\ |||\\\ |||\\\
A continuous spectrum is
|||\\\ |||\\\ |||\\\
a) A band with most of the colours
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
b) A solid line of one colour
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c) A spectrum of all the wavelengths in the rainbow
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d) A solid black band
|||\\\ |||\\\ |||\\\ |||\\\
e) None of these answers - correct answer✔✔A spectrum of all the wavelengths in the
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
rainbow
The simplest atom is|||\\\ |||\\\ |||\\\ |||\\\
a) Carbon |||\\\
b) An alpha particle
|||\\\ |||\\\ |||\\\
c) Hydrogen
|||\\\
d) Argon |||\\\
e) Helium - correct answer✔✔Hydrogen
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Visible light takes up most of the electromagnetic spectrum
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) True |||\\\
b) False - correct answer✔✔False
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
,We call a light particle a ___________ - correct answer✔✔Photon/Photons
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Electromagnetic radiations gets _________ as it moves away from its source |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) Weaker |||\\\
b) Lower in frequency
|||\\\ |||\\\ |||\\\ |||\\\
c) More intense
|||\\\ |||\\\
d) Brighter |||\\\
e) Slower - correct answer✔✔Weaker
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
If 11 waves takes 13 seconds to hit the shore, what is the frequency of the waves? Round to
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
one decimal place |||\\\ |||\\\
F = waves/time (s) - correct answer✔✔0.8
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
The ___________ of a source determines the type of radiation emitted - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
answer✔✔Temperature
An emission spectrum is a pattern of
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) Bright lines against a black background
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
b) Black lines against a continuous spectrum background
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c) Bright lines of a single colour specifying the emission type
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d) Coloured lines against a white background
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
e) All the colours of the rainbow - correct answer✔✔Bright lines against a black background
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
, The number of wavelengths that pass by each second is called the _____________ - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
answer✔✔Frequency
Light can act as a particle or a wave
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) True
|||\\\
b) False - correct answer✔✔True
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
When there are missing colours seen as dark lines on a spectrum they are called
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a) Absorption spectrum
|||\\\ |||\\\
b) Continuous spectrum
|||\\\ |||\\\
c) Emission lines
|||\\\ |||\\\
d) None of these
|||\\\ |||\\\ |||\\\
e) Emission spectrum - correct answer✔✔Absorption spectrum
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
From longest to shortest wavelengths, order the following types of electromagnetic radiation -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
correct answer✔✔1. Radio |||\\\ |||\\\ |||\\\
2. Microwave
|||\\\
3. Infrared
|||\\\
4. Visible
|||\\\
5. Ultraviolet
|||\\\
6. X-ray
|||\\\
7. Gamma
|||\\\
By studying the light from distant objects, we can deduce information such as (pick all that
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
apply)
