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allochka39001 [22]
3 years ago
15

radio waves are electromagnetic waves that travel at the speed of light 300 000 kilometers per second what is the wave length of

FM radio waves received 100 megahertz on your radio dial
Physics
1 answer:
Anarel [89]3 years ago
3 0
<h2>Answer:</h2>

<h2>3m</h2>

<h3>The wavelength of 100-MHz radio waves is 3 m, yet using the sensitivity of the resonant frequency to the magnetic field strength, details smaller than a millimeter can be imaged.</h3>

<h2>Hope this helps you ❤️</h2>

<h2>MaRk mE aS braiNliest ❤️</h2>

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A man is running on the straight road with the uniform velocity of 3 metre per second calculate the acceleration for produced hi
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Theoritically

the body moving with uniform velocity has acceleration zero.

Mathmatically,

u=3m/s

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a= v-u/t

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A dipole of moment 0.5 e·nm is placed in a uniform electric field with a magnitude of 8 times 104 N/C. What is the magnitude of
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The net torque is zero

Explanation:

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8 0
3 years ago
1. Determine the image distance in each of the following.
miskamm [114]

It is given that for the convex lens,

Case 1.

u=−40cm

f=+15cm

Using lens formula

v

1

−

u

1

=

f

1

v

1

−

40

1

=

15

1

v

1

=

15

1

−

40

1

v=+24.3cm

The image in formed in this case at a distance of 24.3cm in left of lens.

Case 2.

A point source is placed in between the lens and the mirror at a distance of 40 cm from the lens i.e. the source is placed at the focus of mirror, then the rays after reflection becomes parallel for the lens such that

u=∞

f=15cm

Now, using mirror’s formula

v

1

+

u

1

=

f

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v

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+

∞

1

=

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1

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6 0
3 years ago
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