Physics, 15.01.2020 06:31 j015

When the trough of one light wave meets the trough of a second light wave, occurs.

wave building

wave destruction

destructive interference

constructive interference

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Correct answer is constructive interference (When the trough of one light wave meets the trough of a second light wave, constructive interference occurs. )

Explanation:

When two light waves(component waves) of nearly equal wavelength superpose that time a resultant wave is formed. This resultant wave can have equal amplitude, greater amplitude or lower amplitude than the component waves. This phenomena is known as interference.

There are two types of interference

Constructive interference

When two light wave superpose in same phase it means when the trough of one light wave meets the trough of a second light wave and crest of one light wave meets the crest of a second light wave that time a resultant wave of greater amplitude is formed. This phenomena is known as constructive interference.

Destructive interference:

When two light wave superpose in opposite phase it means when the trough of one light wave meets the crest of other light wave that time a resultant wave of lower amplitude is formed and this phenomena is known as destructive interference.

Answer from: thezbell

Correct answer is D. Constructive interference is when the trough of one light wave meets the trough of a second light wave, constructive interference occurs.

Explanation:

When two light waves (component waves) of nearly equal wavelength superpose that time a resultant wave is formed. This resultant wave can have equal amplitude, greater amplitude or lower amplitude than the component waves. This phenomena is known as interference.

Answer from: Quest

Neptune is the eighth planet from the sun. it was the first planet to get its existence predicted by mathematical calculations before it was actually seen through a telescope on sept. 23, 1846. irregularities in the orbit of uranus led french astronomer alexis bouvard to suggest that the gravitational pull from another celestial body might be responsible. german astronomer johann galle then relied on subsequent calculations to spot neptune via telescope. previously, astronomer galileo galilei sketched the planet, but he mistook it for a star due to its slow motion. in accordance with all the other planets seen in the sky, this new world was given a name from greek and roman mythology — neptune, the roman god of the sea.

Answer from: Quest

Hi, your answer is not correct. this is a cumulative

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When the trough of one light wave meets the trough of a second light wave, occurs.

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