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4 years ago

Gamma rays have a _ frequency and a _ wavelength.

Physics

2 answers:

Troyanec [42]4 years ago

6 0

Answer: D

Explanation:

stiv31 [10]4 years ago

5 0

Answer:

the correct answer is D

Explanation:

Electromagnetic radiation is described by two equations, the first that gives the speed of light

c = λ f

Where c is the speed of light, λ the wavelength and f the frequency

And the equation that gives the energy of the wave

E = h f

In general, based on these two equations and their applications, the different areas of the electromagnetic spectrum have different names.

The gamma radiation is in the high energy range, so it has a high frequency and if the frequency is high, the wavelength must be short. to keep the speed of light constant.

Based on the above, the correct answer is D

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3 years ago

A sound wave travelling in water has a frequency of 100 Hz. The speed of sound in water is 1482 m/s. Calculate the wavelength of

xz_007 [3.2K]

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λ = v/f
λ = 1482/100

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2 years ago

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Irina18 [472]

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3 years ago

A plane mirror of circular shape with radius r=20cm is fixed to the ceiling. A bulb is to be placed on the axis of the mirror. A

KIM [24]

Answer:

0.75 m

Explanation:

Let's call the distance between the bulb and the mirror x.

The bulb and the length of the mirror form a triangle. The mirror and the illuminated area on the floor form a trapezoid. If we extend the lines from the mirror edge to the reflected image of the bulb, we turn that trapezoid into a large triangle. This triangle and the small triangle are similar. So we can say:

x / 0.4 = (3 + x) / 2

Solving for x:

2x = 0.4 (3 + x)

2x = 1.2 + 0.4 x

1.6 x = 1.2

x = 0.75

So the bulb should located no more than 0.75 m from the mirror.

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3 years ago

Gamma rays have a _____ frequency and a _____ wavelength.

Gamma rays have a _ frequency and a _ wavelength.