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3 years ago

Bu uyguluma neden ingilizce oldu bilen varmı

Physics

1 answer:

boyakko [2]3 years ago

3 0

Answer:

bende sadece benim böyle diye düşünüyordum

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A string is strung horizontally with a fixed tension. A wave of frequency 90 Hz is sent along the string, and it has a wave spee

ankoles [38]

Answer:

wave speed of the second wave 55.1 m/s

Explanation:

The wave speed of the second wave will going to be same i.e 55.1 m/s. As speed of wave is dependent on the medium and here in this case medium is remain same for second wave also i.e string only, no change in the medium noticed, therefore speed of second wave still remain same i.e 55.1 m/s.

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3 years ago

A thin film of cooking oil ( n = 1.47 ) is spread on a puddle of water ( n = 1.35 ) . What is the minimum thickness D min of the

zlopas [31]

Answer:

The minimum thickness of the oil is 77.55 nm

Explanation:

Given:

Refractive index of oil $n_{o} = 1.47$

Refractive index of water $n_{w} = 1.35$

Wavelength of light $\lambda= 456 \times 10^{-9}$ m

From the equation of thin film interference,

The minimum thickness is given by,

$2n_{o} t = (n+\frac{1}{2}) \lambda$

Where $n = 0,1,2,3.........$ , $t =$ thickness

Here we have to find minimum thickness so we use $n = 0$

$2n_{o} t =( 0+\frac{1}{2} )\lambda$

$t = \frac{\lambda }{4 n_{o} }$

$t = \frac{456 \times 10^{-9} }{4 \times 1.47}$

$t = 77.55 \times 10^{-9}$ m

$t = 77.55$ nm

Therefore, the minimum thickness of the oil is 77.55 nm

7 0

4 years ago

What causes convection currents, and what do they do?

frez [133]

Answer:

Convection currents are the result of different heating. Lighter material (warm) rises while heavier (cold) material sinks. This movement of the materials is what causes convection currents! (BTW, it happens in water, in the atmosphere, and in the mantle of Earth!

Explanation:

I hope this helps a little! :)

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3 years ago

Carbon monoxide prevents

Allushta [10]

Answer:

the blood from carrying oxygen to the tissues of the body

Explanation:

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3 years ago

Question 5 of 10 Which two factors affect the amount of thermal energy an object has? A. The amount of space between its particl

djyliett [7]

Answer: A: The Mass of Object AND D. The amount of motion it’s particles have

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3 years ago

Bu uyguluma neden ingilizce oldu bilen varmı​

Bu uyguluma neden ingilizce oldu bilen varmı