Answer:
A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir, or another river that cannot carry away the supplied sediment.
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Answer:
The minimum thickness of the oil is 77.55 nm
Explanation:
Given:
Refractive index of oil 
Refractive index of water 
Wavelength of light
m
From the equation of thin film interference,
The minimum thickness is given by,

Where
,
thickness
Here we have to find minimum thickness so we use



m
nm
Therefore, the minimum thickness of the oil is 77.55 nm
Answer:
<em>Percentage error = 2.63%</em>
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Explanation:
We are given the following
Original volume = 15.20mL
Student measurement = 14.8mL
Error = 15.20-14.80
Error = 0.40mL
percentage = Error/Original volume * 100
Percentage error = 0.4/15.20 * 100
Percentage error = 40/15.20
<em>Percentage error = 2.63%</em>
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