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tia_tia [17]
3 years ago
10

When a wire with a current is placed in a magnetic field,

Physics
1 answer:
snow_tiger [21]3 years ago
6 0
The answer is a <span>electrical energy is transformed into mechanical energy. </span>
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The objective lens of a certain refracting telescope has a diameter of 63.5 cm. The telescope is mounted in a satellite that orb
Ostrovityanka [42]

Answer:

0.255 m

Explanation:

We are given that

Diameter=d=63.5 cm=63.5\times 10^{-2} m

1 cm=10^{-2} m

L=265 km =265\times 1000=265000 m

Wavelength,\lambda=500nm=500\times 10^{-9} m

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We have to find the minimum distance between two objects on the ground if their images are to be resolved by this lens.

sin\theta=1.22\frac{\lambda}{d}

sin\theta=\frac{1.22\times 500\times 10^{-9}}{63.5\times 10^{-2}}

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\frac{y}{L}=tan\theta\approx \theta

y=L\theta=265000\times 9.606\times 10^{-7}=0.255 m

5 0
3 years ago
How long does it take oxygen to diffuse a distance of 1 mm in water at room temperature? How long does it take oxygen to diffuse
Viktor [21]

Answer:

option A

Explanation:

given,

travel distance = 1 mm

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we know that

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t is the time taken for diffusion

x = 1 mm = 10⁻³ m

D is the diffusion

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 t = \dfrac{(10^{3})}{2}

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4 years ago
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