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When did General Eisenhower issue a directive giving the Army Air Forces the responsibility "to detect atomic explosions anywhere in the world"?
1 January 1947
16 September 1947
1 April 1948
28 August 1948
What year was the RI 99125 broken out into three separate RI's, the 99104, 99105, and 99106?
What year were the RI's 9S100 and 9S200 consolidated into the current 9S100 Technical Applications Specialist?
What year was the first dedicated "B" system seismic station brought on line near College, Alaska?
9S100 specialist bring unique scientific education, aptitude, and critical perspectives to solving...
physics and analytical problems
physics and mathematical problems
complex technological and analytical problems
mathematical and complex technological problens
The COMSEC program is designed to detect and correct procedural weaknesses that could expose ...
time sensitive information
Which measure is used to deny or prevent unauthorized persons from gaining access to or seeing classified material?
The easiest way to complete an inventory is to have your COMSEC container organized ...
using color binders
by security classification
What type of software attempts to intercept passwords or credit card numbers as a user enters them into a web form or on-line applications?
OPSEC is ongoing and designed to enhance mission effectiveness by reducing the enemy's capability to gather useful intelligence data about our...
operations and activities
What is defined as information owned, produced, or controlled by the United States government?
Top Secret Information
When unauthorized disclosure of what type of classified information could reasonable be expected to cause SERIOUS DAMAGE to the national security?
Who publishes the foreign clearance guide to direct and assist military travelers when they travel to other countries?
Director of Intelligence
What should be placed as a permanent copy in your luggage?
What components of an atom are collectively labeled as nucleons?
Protons and Neutrons
Protons and Electrons
Electrons and Neutrons
Electrons and Elements
What type of electrical charge does each of an atom's components have?
Protons-Negative; Neutrons-Positive; Electrons-Neutral
Protons-Neutral; Neutrons-Negative; Electrons-Positive
Protons-Positive; Neutrons-Neutral; Electrons-Negative
Protons-Positive; Neutrons-Negative; Electrons-Neutral
The smallest part of a compound that has all the specific properties of that compound is know as what?
What does the valance of an atom determine?
The atoms ability to gain or lose neutrons
The atoms ability to gain or lose protons
The atoms ability to gain or lose electrons
The atoms ability to gain or lose its atomic mass
The process by which a atom gains or loses electrons is know as ...
valance shell modification
What is "specific gravity"?
The ratio of the mass of a body to its volume
The ratio of the density of a substance to the density of pure water
The amount of force an object has upon the earth measured kilograms
The exertion of a force upon a surface of a substance in contact with it
What is the general relationship between density and temperature?
Density and temperature have no relationship
As temperature increase, density decreases; as temperature decrease, density increase
As temperature increases, density increases; as temperature decreases, density decreases
Per every 1 degree increase of change in temperature, density increases by the "rules of seven"
What is the formula for determining pressure?
P = Area/Force
P = (Area + Force) squared
P = (Force/Area) cubed
P = Force/Area
The measure of the tendency of an object to return to its original shape and size after a deforming force is removed is know as what?
How is strain measured?
By the change in length per unit of length and the change in volume per unit of volume
By the change in density per unit volume of pure water
By the change in pressure from dividing the force by the area
By the change of Bulk Moduli derived from the pressure formula
A measure of how easily a substance is compressed is defining what one word?
What type of wave requires no PHYSICAL MATERIAL to serve as a medium for transmission?
The distance or physical length between any 2 points on a waveform that are at precisely the same position on adjacent cycles is the definition of...
Velocity is the speed at which a waveform appears to move. What is the formula for calculating velocity
V= (F x L) squared
V= (F x L)
Both B & C are correct
An increase in the elasticity of a medium will ________ the speed of a wave traveling through it.
have no effect on
either A or B can be true
The boundary between one medium and another medium with different physical properties is called a ...
The angle of incidence is equal to the angle of reflection defines...
What size must a reflecting surface be in order to reflect a wave?
Wider than half the wavelength of the reflecting wave
Narrower than half the wavelength of the reflecting wave
At a minimum twice the wavelength of the refracting wave
Wider than one quarter the wavelength of the refracting wave
In order for an object to appear green, the object must _____________
Absorb the green wavelength and reflect all other wavelength
Absorb a combination of wavelengths creating color of green
Absorb all other wavelengths other than green
Be made up of elements that are green in nature
The bending or change in direction of a wave is know as ...
When a wave enters a medium of greater speed, it will be bent _______ from the normal.
It will not be bent
Either Away or Toward, depending on the angle of incidence
When does TOTAL INTERNAL REFLECTION occur?
When the angle of incidence is greater than the critical angle
When the critical angle is greater than the angle of incidence
When the angle of incidence is equal to 90 degrees
When the critical angle is equal to 90 degrees
What causes diffusion?
According to classical physics, how many forms of matter naturally occur?
The changing of a substance from a solid state directly to a gaseous state without becoming a liquid describes which process?
compounds combined to become mixtures
What type of motion does a waveform exhibit when its quantitative measurements (characteristics) DO NOT remain stable over time?
How many characteristics do we use to classify waveforms?
3 - wavelength, frequency & period
4 - wavelength, frequency, period & amplitude
5 - wavelength, frequency, period, amplitude & velocity
6 - wavelength, frequency, period, amplitude, velocity & phase
If a medium's particle vibration is parallel to the direction of motion, the wave is known as...
Motion where the particle vibrations are at right angels to the direction of the wave are...
This type of particle motion occurs at the boundary between two materials... roughly circular.
Which type of wave propagation is almost non-existent in liquids and gases?
Every point on a wave front can be considered as a source of secondary wavelets that spread out in all directions with the wave speed of the medium describes what?
Newton's Law of Relativity
Law of elipses
Scattering of a wavelength in all directions caused by the roughness of the reflecting area is known as ....
How do we determine the index of refraction?
The ratio between the speed of a wave and its reflective index
The ratio between the speed of a wave in a vacuum and its speed in a particular medium.
Published in the refractive index almanac
The ratio of the frequency of the wave and the mass of the medium
The bending or change in direction of a wave defines which term?
The bending of a wave around objects in its path defines which term?
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