Match the description to the proper category to differentiate reflection and refraction

1) speed of ray does not change

2) ray bounces off a boundary

3) direction found by law of reflection

4) direction found by snells law

5)speed of ray changes

6) ray passes through a boundary

Reflection - 1) speed of ray does not change ,

2) ray bounces off the boundary , 3) Direction found by law of reflection

Refraction  - 4) direction found by Snell's law , 5) speed of ray changes .

Explanation:

In reflection , the reflected ray will bounce off the reflecting surface , in a direction opposite to the direction of the incident wave, in the same plane as the incident wave.

But in refraction, bending of the light ray occurs when there is a change in the medium in which the light ray travels.  The laws of refraction as given by Snell's law are followed for refraction. Speed of the light ray changes since there is an interaction of the ray with the particles of the medium separating the two media.

The picture below for people on Edgenuity

Explanation:

-first use of geothermal energy occurred more than 10,000 years ago in north america by american paleo-indians

-the first industrial use of geothermal energy began near pisa, italy in late 18th century

-in 1904, italian scientist piero ginori conti invented the first geothermal electric power plant in which steam was used to generate the power

-with the above experiment, the first geothermal plant in usa started in 1922 with a capacity of 250 kilowatts

-however, in 1946 first ground-source geothermal heat pump installed at commonwealth building in portland, oregon

-during the 1960’s, pacific gas and electric began operation of first large scale geothermal power plant in san francisco, producing 11 megawatts

-in 1973, when oil crisis began many countries began looking for renewable energy sources and by 1980’s geothermal heat pumps (ghp) started gaining popularity in order to reduce heating and cooling costs

-as effect of climate change started showing results, governments of various countries joined hands to fight against it, for which kyoto protocol was signed in japan in 1997, laid out emission targets for rich countries and required that they transfer funds and technology to developing countries, 184 countries have ratified it

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