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Rina8888 [55]
3 years ago
7

The number of spiders in the house and the outside air temperature have an indirect relationship. What will happen to the number

of spiders in the house as the outside air temperature decreases?
decrease
increase
stay the same
increase then decrease in a regular pattern
Physics
1 answer:
serg [7]3 years ago
5 0
B. Increase.. because it will be colder outside.

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You have a double slit experiment, with the distance between the two slits to be 0.025 cm. A screern is 120 cm behind the double
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Answer:

The wavelength of the light is 633 nm.

Explanation:

Given that,

Distance between the two slits d= 0.025 cm

Distance between the screen and slits D = 120 cm

Distance between the slits y= 1.52 cm

We need to calculate the angle

Using formula of double slit

\tan\theta=\dfrac{y}{D}

Where, y = Distance between the slits

D = Distance between the screen and slits

Put the value into the formula

\tan\theta=\dfrac{1.52}{120}

\theta=\tan^{-1}\dfrac{1.52}{120}

\theta=0.725

We need to calculate the wavelength

Using formula of wavelength

d\sin\theta=n\lambda

Put the value into the formula

0.025\times\sin0.725=5\times\lambda

\lambda=\dfrac{0.025\times10^{-2}\times\sin0.725}{5}

\lambda=6.326\times10^{-7}\ m

\lambda=633\ nm

Hence, The wavelength of the light is 633 nm.

4 0
2 years ago
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