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3 years ago

Can someone please help i will name brainliest

Physics

1 answer:

Elanso [62]3 years ago

7 0

Answer:

dang it its so long :(

Explanation:

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Can someone please help me?

creativ13 [48]

Answer:

The answer is <u><em> C </em></u>

Explanation:

I looked it up

5 0

3 years ago

White light (light containing all frequencies of light in the visible spectrum) passes through a diffraction grating with 1300 l

lara31 [8.8K]

Answer:

The distance between the 1st order blue fringe and the 1st order red fringe is 6.5 cm.

Explanation:

Given that,

Diffraction grating =1300 lines/cm

Distance of screen = 2 m

Order number = 1

We need to calculate the distance between the 1st order blue fringe and the 1st order red fringe

Using formula of distance

For first order red fringe

$d\sin\theta=m\lambda$

$d\times\dfrac{y}{l}=m\times\lambda$

$y_{r}=\dfrac{m\times\lambda l}{d}$

$y_{r}=\dfrac{1\times700\times10^{-9}\times2}{\dfrac{1}{1300}\times10^{-2}}$

$y_{r}=0.182\ m$

For first order blue fringe

$y_{b}=\dfrac{1\times450\times10^{-9}\times2}{\dfrac{1}{1300}\times10^{-2}}$

$y_{b}=0.117\ m$

We need to calculate the distance between blue fringe and red fringe

$\Delta y=y_{r}-y_{b}$

$\Delta y=0.182-0.117$

$\Delta y=0.065\ m=6.5 cm$

Hence, The distance between the 1st order blue fringe and the 1st order red fringe is 6.5 cm.

7 0

3 years ago

Copper is a type of metal.

S_A_V [24]

The temperature rise in the copper is. I think its 0.393

4 0

3 years ago

What is one way that kinetic energy might be involved in rescue team missions?

Vitek1552 [10]

Answer: Kinetic Energy is the energy of mass in motion. In a rescue mission, kinetic energy is the most used energy to carry out the rescue operation successfully. ... The machineries involved in the rescue mission like helicopters, submarines, lifeboats are all examples of kinetic energy.

7 0

3 years ago

The image shows positions of the earth and the moon in which region would an astronaut feel the lightest

trapecia [35]

Answer:

The moon region

Explanation:

This is because there is little to no gravity on the moon. That is where the astronaut would feel the lightest.

5 0

3 years ago

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