The higher the frequency, the shorter the wavelength. Because all light waves move through a vacuum at the same speed, the number of wave crests passing by a given point in one second depends on the wavelength.
<h3><u>Answer;</u></h3>
C. Latitude and season
<h3><u>Explanation;</u></h3>
- Surface water temperature depends on latitude and season. <em><u>The temperature of the surface water in the ocean changes from place to place and from season to season. </u></em>
- Ocean temperature depends on the amount of solar energy absorbed. For example, tropical oceans receive a lot of direct overhead sunlight for much of the year, so the water is warm.
- <u>The temperature of the surface waters varies mainly with latitude.</u> For example The polar seas which are found on high latitude can be as cold as -2 degrees Celsius while the Persian Gulf which is on low latitude can be as warm as 36 degrees Celsius.
The correct answer to the question is semiconductor .
EXPLANATION:
Before coming into any conclusion, first we have to understand the nature of conductor, insulator and semi conductor.
A conductor is a type of material which has high conductivity and low resistivity. The free electron concentration in its conduction band is more as compared to insulator and semi conductor. As it has low resistance, it will provide low resistive path to the flow of electrons.
Insulator is the type of substance which has high resistivity. The free electron concentration in its conduction band is almost empty. Hence, it will provide high resistance to the current flow.
Semiconductor is the type of conducting substance whose resistivity lies between conductor and insulator. Its conductivity is less than conductor but greater than insulator. At room temperature, it behaves just like an insulator; but at normal room temperature, some of its valence electrons jump into conduction band and becomes free. Hence, it opposes the flow of electrons partially.
As per the options given in the question, the correct answer to the question will be semi-conductor.
Answer:
Support at Cy = 1.3 x 10³ k-N
Support at Ay = 200 k-N
Explanation:
given:
fb = 300 k-N/m
fc = 100 k-N/m
D = 300 k-N
L ab = 6 m
L bc = 6 m
L cd = 6 m
To get the reaction A or C.
take summation of moment either A or C.
<em><u>Support Cy:</u></em>
∑ M at Ay = 0
(( x1 * F ) + ( D * Lab ) + ( D * L bc + D * L cd )
Cy = -------------------------------------------------------------------
( L ab + L bc )
Cy = 1.3 x 10³ k-N
<em><u>Support Ay:</u></em>
Since ∑ F = 0, A + C - F - D = 0
A = F + D - C
Ay = 200 k-N
The interaction of light that distorted the image of where Bill's goggles appear to be is Refraction.
<h3>
What happens to the speed of light when it hits water in a swimming pool?</h3>
The light slows down when it passes from the less dense air into the water, this slow down of the ray of light which causes the ray of light to change direction and then the changes the speed of the light that causes refraction.
The swimming pool appears shallow than it appear to be because the rays of light coming from the bottom of the swimming pool that is refracted by the water making the height of the swimming pool to be above the actual swimming pool bed and there by misleading the observer(Bill).
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