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