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