abeka 9th grade matter and energy test 9

What term refers to any change in speed, direction, or both?

When two notes interfere in a disagreeable way, the result is

Constructive interference of light and slit diffraction produces a light fringe called-antinode

the fastest possible speed in the universe is the speed of __ in a vaccum

A visible spectrum in the sky produced by Falling raindrops is a

A combination of all colors of light mixed together is perceived as

A lens is curved outward, causing light rays to converge and objects to appear magnified, is a

Remember that these are the first 40 and there are more to study!

what does the energy of a photon depend on?

The effect of frequency on the way our ears perceive sound is

what is a three-dimensional image produced by laser light?

What unit is used to measure sound intensity in a way that reflects how our ears perceive sound

idea that gravity is an effect of the geometry ofspace is part of the what theory of relativity

the spreading out of a wave after it passes through a narrow opening is

a change in sound frequency caused by an object's motion is the

the branches of physics developed since 1900 are called ____________________ physics.

What devices uses reflected electromagnetic waves to measure the distance of Faraway objects?

one of The subtractive primary colors of pigment are

An arrangement of all forms of electromagnetic radiation n order of frequency and wavelength is

Know the Laws

the measure of how well a machine converts input work into output work is the machines

Which of the following is not it color of the visible spectrum?

the illusion of water covering a hot highway in the distance is example of a

the theory stating that light has both particles and waves is a what theory of light.

the strength of a sound wave is its________________________

what is the rate of doing work

The speed of light is constant in a ______

The resistance arising to an object's motion through a fluid or across a surface is

What behavior of light causes the scintillation of stars?

a change in a waves Direction when passing from one medium into another is

What simple device uses diffraction to produce a better Spectrum than a prism can produce?

what is a series of organized sound waves with pitches that have been deliberately arranged

What is the SI unit of force?

Name the scientist who predicted stimulated emission and formulated the theory of relativity.

What is sound heard distinctly after being reflected from an object?

Know your rays

light consists of electromagnetic waves traveling as Tiny bundles of packets of energy called

What property of an object equals the product of the object's mass and velocity?

the multiplication of force by a machine under ideal conditions

What is a violent compression pulse caused by an object moving faster than the speed of sound?