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2 years ago

Which theory suggests that the moon and the earth formed at the same time from dust and the solar nebula that formed the sun?

Physics

1 answer:

ad-work [718]2 years ago

6 0

Answer: The correct answer is option(B.).

Explanation:

The co-formation theory explain that both moon and the earth are formed at same time from the primitive solar nebula (cloud made up of dust and gases) at the same and same place.

Where as capture theory suggests that the moon is an asteroid which was formed or created somewhere else in a solar system. And when the moon approached the earth planet it got captured by the earth's gravitational field.

Impact theory explains the formation of moon by the catastrophic collision between the earth and any planet half the size of earth's size.

Synchronous theory sheds the light on the rotation time, revolution time and sides of moon located from the surface of the earth.

Hence, the correct answer is option(B).

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3 years ago

Find the angle for the third-order maximum for 591 nm wavelength light falling on a diffraction grating having 1460 lines per ce

Marat540 [252]

Answer:

15.32°

Explanation:

We have given the wavelength $\lambda =591nm=591\times 10^{-9}m$

Diffraction grating is 1460 lines per cm

So $d=\frac{10^{-2}}{1460}=6.71\times 10^{-6}m$ (as 1 m=100 cm )

For maximum diffraction

$dsin\Theta =m\lambda$ here m is order of diffraction

So $6.71\times 10^{-6}sin\Theta =3\times 591\times 10^{-9}$

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