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vlabodo [156]
3 years ago
7

Light waves come in different wavelengths and frequencies. The color of the light we see is dependent on wavelength. When we see

a rainbow, we are actually seeing
Question 18 options:

light waves of the same frequency.


light waves of the same wavelength.


a single wave of light.


light waves of different wavelengths.
Physics
2 answers:
spin [16.1K]3 years ago
3 0
We are seeing light waves of different wavelengths. So, the light waves of different colors with different wavelengths disperse in different angles which enables us to see different colors of rainbow.
stich3 [128]3 years ago
3 0
Different wavelengths which can be split up by the water in the rainbow into the spectrum, likewise with a school laboratory prism spectrometer
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Prof. Marcia Grail, supervillain and superscientist, wishes to spy on her foes (they'll all pay!) from orbit. She wishes to be a
Sloan [31]

Answer:

563.64 m

Explanation:

Given that as per the question

x = 5 cm = 0.05 m

D = 4.2 × 107 m

d = smallest aperture size

As per the situation the solution of the smallest aperture telescope that she can get away with is below :-

We will use Rayleigh's diffraction limit which is

d\frac{x}{D} = 1.22\lambda

The equation will be

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6 0
3 years ago
A toy rocket is launched straight up by using a spring. The rocket is initially pressed down on the spring so that the spring is
Delvig [45]

Answer:

B.6.86 m

Explanation:

Given that

Compression in spring ,x= 9 cm

Spring constant ,K= 830 N/m

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Now by applying energy conservation

\dfrac{1}{2}Kx^2=mgh

h=\dfrac{1}{2\times mg}kx^2

Now by putting the values ( we are taking g= 9.81 m/s²)

h=\dfrac{1}{2\times 9.81\times 0.05}\times 830\times 0.09^2

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B.6.86 m

8 0
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