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3 years ago

Why is the sky blue in colour?

Physics

2 answers:

Svetllana [295]3 years ago

3 0

$\huge\mathrm{Answer࿐}$

Our Atmosphere is full of freely subtended particles, and when light from sun strikes the particles then scattering occurs, in which blue colour is most scattered and hence causing Sky to appear blue .

Hope it helps !!

_____________________________

$\mathrm{ \#TeeNForeveR}$

fomenos3 years ago

3 0

Blue light is scattered in the air in all directions. The scattering is caused by electromagnetic radiation by particles of a smaller wavelength.

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What is the weight on Earth of a girl with a mass of 32 kg (F = ma)?

GenaCL600 [577]

Answer:

F = 313.6 N

Explanation:

weight is the force acting on an object due to gravity.

so,

f = ma (m = mass, a = acceleration)
f = 32 × 9.8
f = 313.6 Newton

( note : i have taken acceleration due to gravity as 9.8, it can be taken as an approx of 10, so if you have to take 10, the weight of girl will be 320 Newton )

i hope it helped....

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3 years ago

if you apply a Force of F1 to area A1 on one side of a hydraulic jack, and the second side of the jack has an area that is twice

Firlakuza [10]

Answer:

$2F_{1}$

Explanation:

F₁ = Force on one side of the jack

A₁ = Area of cross-section of one side of the jack

F₂ = Force on second side of the jack

A₂ = Area of cross-section of second side of the jack = 2 A₁

Using pascal's law

$\frac{F_{1}}{A_{1}}= \frac{F_{_{2}}}{A_{_{2}}}$

$\frac{F_{1}}{A_{1}}= \frac{F_{_{2}}}{2A_{_{1}}}$

$F_{1}= \frac{F_{2}}{2}\\$

$F_{2}= 2F_{1}$

7 0

4 years ago

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PolarNik [594]

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3 years ago

A beam of yellow light is made to pass through two slits that are 3.0 x 10−3 meters apart. On a screen 2.0 meters away from the

lakkis [162]

Answer:

585 nm

Explanation:

The formula that gives the position of the m-th maximum (bright fringe) relative to the central maximum in the interference pattern produced by diffraction from double slit is:

$y=\frac{m\lambda D}{d}$ $\Delta y =\frac{m\lambda D}{d}$