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3 years ago

What will happen to an object's wavelength as the object moves towards you?

Physics

2 answers:

UkoKoshka [18]3 years ago

6 0

Answer: The correct answer is "the wavelength will get shorter".

Explanation:

Red shift: In red shift, Light changes as the object in space (such as galaxies or stars) moves away from us then the light is shifted to red end. In this case, the light is shifted to longer wavelength.

Blue shift: In blue shift, Light changes as the object in space (such as galaxies or stars) moves towards from us then the light is shifted to blue end. In this case, the light is shifted to shorter wavelength.

In the given problem, the object moves towards us, then the wavelength of the object gets shorter.

Ilia_Sergeevich [38]3 years ago

5 0

The wavelength will get shorter

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dlinn [17]

Answer:

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Explanation:

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4 years ago

Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 × 1014 hz. calculate the

olga nikolaevna [1]

The energy of a single photon is given by:
$E=hf$
where
E is the energy
h is the Planck constant
f is the frequency of the light

The light in our problem has a frequency $f=5.49 \cdot 10^{14}Hz$ , so the energy of each photon of that light is:
$E=hf=(6.6 \cdot 10^{-34} Js)(5.49 \cdot 10^{14} Hz)=3.64 \cdot 10^{-19} J$

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3 years ago

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Gemiola [76]

Answer:

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Explanation:

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3 years ago

a man walking at the rate of 5km/hr crosses a bridge in 15 min find the length of the bridge in meyers

Westkost [7]

Answer:

I hope this helps. Plzz mark as brainliest

Explanation:

A man walking at the rate of 5 km/hr. crosses a bridge in 15 minutes. The length of the bridge (in meters) is:

[A]1000 m

[B]1250 m

[C]600 m

[D]750 m

1250 m

Speed of the man = 5 km/hr

Time taken to cross the bridge = 15 minutes

Length of the bridge = Speed Time

Hence option [B] is the right answer.

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3 years ago

A 7.00-kg bowling ball from a 2.00-m shelf. Just before hitting the floor, what will be it’s kinetic energy?

san4es73 [151]

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3 years ago