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Review Semester 2
Test Description: Review for after test
Instructions: Answer all questions to get your test result.
1) Which scientist discovered the electrical force between two objects?
A
Einstein
B
Coulomb
C
Faraday
D
Oersted
2) Which scientist stated that forces exerted on a compass are perpendicular to the electrical current?
A
Einstein
B
Milikan
C
Coulomb
D
Oersted
3) Which of the following only lists electrical insulators?
A
Cardboard, paper, rubber
B
plastic, wet skin, copper
C
Cardboard, paper, tin
D
Copper, tin, gold
4) Which of the following only lists electrical conductors?
A
Plastic, wet skin, copper
B
Copper, tin, gold
C
Cardboard, paper, tin
D
Cardboard, paper, rubber
5) In a step down transformer...
A
None of the above
B
current is increased, voltage is decreased
C
current stays the same, voltage decreases
D
current is decreased, voltage is increased
6) Beta decay uses....
A
electrostatic forces
B
strong nuclear forces
C
gravitational forces
D
weak nuclear forces
7) Transverse waves move at a _______ angle to the particles
A
90
B
180
C
120
D
60
8) This wave moves parallel to the particles.
A
infrared
B
ocean
C
sound
D
light
9) every object has a natural frequeny. when this frequency is matched, it produces an increasing amplitude. This is called...
A
refraction
B
diffraction
C
reflection
D
resonance
10) Fiber optic cables transmit...
A
ultraviolet
B
light
C
sound
D
electricity
11) Photons have
A
both energy and momentum
B
momentum and no energy
C
energy and no momentum
D
neither energy nor momentum
12) The kinetic energy of electrons during the photoelectric effect is due to...
A
speed of light
B
none of the above
C
intensity of the light
D
frequency of the light
13) Different elements produce different emission spectras because each element has a unique...
A
state of matter at room temperature
B
response to heating
C
configuration of electrons
D
number of protons
14) Missing mass energy equivalence is described by wheich equation
A
E=mc^2
B
KE=1/2mv^2
C
PE=mgh
D
F=ma
15) Transformers use...
A
Ohm's Law
B
Radioactive decay
C
Electricity and Magnetism
D
Nuclear Fission
*select an answer for all questions
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