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irina [24]
3 years ago
12

15 POINTS PLEASE PLEASE HELP ME!!

Physics
1 answer:
abruzzese [7]3 years ago
3 0
I will not help you but i would surely take these points for answering this question but i lied.
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What was the measurement of the wavelength and amplitude respectively?
SpyIntel [72]
<h3>Answer</h3>

option C)

The wavelength has a length between 7.0 cm and 8.0 cm and the amplitude lies between 1.0 cm and 2.0 cm.

<h3>Explanation</h3><h2>1)</h2>

The amplitude of a wave is the height of a wave as measured from the highest point on the wave, peak, to the rest point or from  the lowest point on the wave, trough, to the rest point.

By looking at the image

rest point is at 5cm and crest is at 3.3 cm (y-axis)

so amplitude = 5 - 3.3

                      = 1.7 cm (approximately)

<h2>2)</h2>

Wavelength refers to the length of a wave from one peak to the next.

one crest is at 2cm and the other crest is at 10cm (x-axis)

so wavelength = 10 - 2

                          = 8 cm (approximately)

<h3 />
5 0
3 years ago
Which factor listed below most likely results in the loss of genetic variation from small populations?
Snezhnost [94]

The correct choice is genetic drift.

genetic drift is known as the variation in alleles number within a population and it mainly happens in small population where chances of losing an alleles are larger. it is common effect observed when significant number in a population die or when there is significant reduction in birth. hence genetic drift results in loss of genetic variation

8 0
3 years ago
Light of wavelength 510 nm is used to illuminate normally two glass plates 24.3 cm in length that touch at one end and are separ
bulgar [2K]

Answer:

m = 180 \ bright \ fringes

Explanation:

From the question we are told that

    The  wavelength is  \lambda  =  510 \ nm = 510 *10^{-9} \  m

    The length of the of the plate is  l  =  24.3 \ cm  =  0.243 \  m

    The radius of the wire  is r=  0.023 \ mm  =  2.3 *10^{-5} \ m

Generally the diameter of the wire which is the distance between the glass  plates is mathematically represented as

             d =  2 *   r

=>          d =  2 *   2.3 *10^{-5}

=>          d =  4.6 *10^{-5} \  m

 Generally the condition for constructive interference is mathematically represented as

           2 *d = m \lambda

=>        m = \frac{2d}{\lambda}

=>        m = \frac{2 * (4.6* 10^{-5})}{ 510 *10^{-9} }

=>        m = 180 \ bright \ fringes

3 0
3 years ago
When a liquid is cooled, the kinetic energy of the particles ?
vodka [1.7K]
When a liquid is cooled, the kinetic energy of the particles, DECREASES..
4 0
3 years ago
(D.) Define the following Moment (.) Moment of a force (.) couple of force (.) torque<br>​
erik [133]
Moment of force. Hope this helped
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