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strojnjashka [21]
3 years ago
5

There is less difference between the speed of light in glass and the speed of light in water than there is between the speed of

light in glass and the speed of light in air. Does this mean that a magnifying glass will magnify more or magnify less when it is used under water rather than in air?
Physics
1 answer:
CaHeK987 [17]3 years ago
8 0

Answer: no, the magnifying glass has nothing to do with the speed of light.

Explanation: When light moves between 2 media (refraction), part of it properties that changes during this process is it speed.

The change in speed is dependent on the refractive index of the 2 media and as given by snell's law, the refractive index is inversely proportional to wave speed.

This implies that moving from dense to a more dense medium reduces wave speed and moving from dense to less dense medium increases wave speed.

For the first statement, light moved from glass to water, it implies that it moves from a dense to a less dense medium, it wave speed increases in water.

For the second statement, light moved from glass to air, it implies that it also moves from a dense to a less dense medium and it wave speed will also increase in air.

Looking at both second medium, for the first statement, the second medium is water, and for the second statement, the second medium is air.

Air is less dense that water, hence light travel faster in air than in water.

Thus we can see that the magnification property of a glass has nothing to do with the wave speed, just the refractive indices of the media.

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givi [52]

Crest is the part of the wave which does this.

A sound wave is the sample of disturbance resulting from the movement of strength visiting through a medium, including air, water or every other liquid or stable remember as it propagates far from the supply of the sound.

The sound waves are generated by a sound source, such as the vibrating diaphragm of a stereo speaker. The sound source creates vibrations in the surrounding medium. because the supply continues to vibrate the medium, the vibrations propagate far from the supply at the rate of sound, hence forming the sound wave.

A sound wave is not a transverse wave with crests and troughs, however alternatively a longitudinal wave with compressions and rarefactions.

Learn more about wave here:- brainly.com/question/1199084

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7 0
11 months ago
When does a chemical indicator change?
S_A_V [24]
Chemical indicator, any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. An example is the substance called methyl yellow, which imparts a yellow colour to an alkaline solution.
8 0
3 years ago
Why is it easier to keep your position steady once the train is moving at a constant speed and direction?
gayaneshka [121]
Since the train is moving at constant speed and direction, the velocity of the train is constant. According to Newton's First Law of Motion, when an object is moving at constant speed in a straight line(aka constant velocity), the resultant force experienced by the train is 0N. Since you're on the train, the resultant force experienced by you is 0N, thus, you do not have to exert a force to remain balanced.
3 0
3 years ago
The table lists the values for two parameters, x and y, of an experiment. What is the approximate value of y for x = 4.0?
DiKsa [7]
Solving for the two unknowns using systems of linear equations (substitution or elimination method):
m= 11.9; b=-23.5

y=11.9x - 23.5
y=11.9*4-23.5
y=24.1
Therefore when x=4, the approximate value of y is 24.1
7 0
3 years ago
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Is displacement more like the length of a rope that is pulled tight or the length of a coiled rope? Explain.
allsm [11]

The length of a coiled rope is the <em><u>distance</u></em> between the ends.

The length of a rope that's pulled tight is analogous to <em><u>displacement</u></em>.

"Displacement" is the straight-line distance between the start-point and
end-point, regardless of the route followed between them, (PLUS the
<em><u>direction</u></em> from start to finish).

Notice that if a student wakes up in the morning, gets out of bed, brushes his
teeth, eats breakfast, goes to school, has soccer practice after school, goes
home for dinner, hangs out at a friend's house after dinner, comes back home
and does some homework, then brushes his teeth and goes to bed, the student's
displacement for the whole day is zero .  Displacement is the straight-line distance
between the start-point and end-point, regardless of the route followed between them.


3 0
3 years ago
Read 2 more answers
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