Light waves have constructive interference because they are emitted _____.

1 answer:

3 0

Constructive Interference occurs when the crust of one way falls on the crust of other and the trough of one wave falls on the trough of other. This way the points of the wave re-enforce each other resulting in an increased amplitude of the wave.

Since the crust and troughs of two waves are at the same place at the same time, the waves are said to be in phase. So the correct answer to the question is option A.

Light waves have constructive interference because they are emitted <span>In Phase</span>

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Light incident upon a pane of glass slows down in passing through the glass, Does it emerge at a slower speed or at its initial

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Answer:

It will emerge at its initial speed not a slower speed.

Explanation:

It will emerge at the initial speed because the medium at the point of emergence is the same as the medium before incidence.

Light moves at a constant speed in any particular medium. Hence, the speed of light in air is constant in air and the speed of light in glass is constant in glass.

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Which term best describes bats' natural habitats?

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Arboreal

Explanation:

The best term that describes the habitat of bats is arboreal.

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They are blind flying mammals.
Animals that lives in trees and trunks are said to be arboreal.
Other examples are koalas, primates, sloths, spider monkeys, leopards, chameleons etc.
These animals are adapted for life in tree trunks.
The have modified body parts that makes them thrive in such habitats.

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3 years ago

A water hose is used to fill a large cylindrical storage tank of

ludmilkaskok [199]

Answer:

maximum possible speed by solving above equation for 7D is

$v_{max} = \sqrt{\frac{49}{5}gD}$

minimum possible value of speed for solving x = 6D is given as

$v_{min} = \sqrt{9gD}$

Explanation:

Let the nozzle of the hose be at the origin. Then the nearest part of the rim of the tank is at (, ) = (6, 2) and the furthest part of the rim is at (, ) = (7, 2).

The trajectory of the water can be found as follows:

$x = (v_o cos45) t$