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bezimeni [28]
3 years ago
7

Jennifer wants to know which of three light bulbs lasts the longest. In her lab journal she writes: "The light bulb with the low

est wattage will last the longest." Which part of the investigation has she written?
a. Question
b. Analysis of Data
c. Conclusion
d. Hypothesis
SAT
1 answer:
Nataliya [291]3 years ago
6 0
D. Hypothesis. Even though that’s not how you should word a hypothesis it should be an if.... then... statement
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D. Prefix “pseudo” means “false” or “unreal”
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Gina owns a home in Atlanta. Every year, she pays (5 points)
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Answer:A. Personal property tax

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Read this sentence from paragraph 3:
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Answer: D

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On a highway, a car is driven 80. Kilometers during the first 1. 00 hour of travel, 50. Kilometers during the next 0. 50 hour, a
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7 0
3 years ago
What region of the spectrum best corresponds to light with a wavelength equal to.
KonstantinChe [14]

The region of the spectrum that best corresponds to light with a wavelength equal to;

1) The diameter of a hydrogen atom is; X-ray

2) The width of your pinky finger; microwaves.

3) The size of a virus; X-ray and Ultraviolet rays.

<h3>Electromagnetic spectrum</h3>
  • From online tables, the diameter of an hydrogen atom is approximately 1 × 10^(-10) m but according to electromagnetic spectrum, any wavelength between 10^(-8) m and 10^(-12) m is an x-ray.

  • From online tables, width of your pinky finger is 1.06 × 10^(-2) m but according to the electromagnetic spectrum the range between 1 and 10^(-3) m corresponds to microwave.

  • The size of a virus has the range from 2 × 10^(-9) m to 4 × 10^(-7) m. This Range falls into x-ray or ultraviolet rays.

The complete question is;

What region of the spectrum best corresponds to light with a wavelength equal to:

(1) the diameter of a hydrogen atom

(2) the width of your pinky finger

(3) the size of a virus

Choices:

(A) radio

(B) mircowave

(C) infrared

(D) visible light

(E) gamma ray

(F) x-ray

(G) ultraviolet

Read more about Wavelength at; brainly.com/question/24790737

5 0
3 years ago
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