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Travka [436]
2 years ago
7

Why is a microscope or magnifying glass used to view objects close up instead of moving the object closer to your

Physics
1 answer:
Shalnov [3]2 years ago
8 0

Answer:

D; The microscope and magnifying glass block out the light, which allows the naked eye to focus on the object.

Explanation:

This is to prevent chromatic abberation

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Which wave has a higher frequency than microwaves but lower frequency than UV waves?
Effectus [21]

Answer:

Infrared

Visible light

Explanation:

Electromagnetic waves are waves consisting of oscillations of the electric and the magnetic field in a plane perpendicular to the direction of motion of the wave.

Electromagnetic waves travel in a vacuum at the speed of light, which is a constant value:

c=3.00\cdot 10^8 m/s

Also, electromagnetic waves are classified into 7 different types, depending on their wavelength and frequency. From highest to lowest frequency, we have:

gamma-rays 10^{20}-10^{24} Hz

x-rays 10^{17}-10^{20}Hz

ultraviolet 10^{15}-10^{17} Hz

visible [4-7.5]\cdot 10^{14} Hz

infrared      10^{14} Hz

microwaves 10^{11}-10^{13} Hz

radio waves

Therefore, from the table we see that both infrared and visible light have higher frequency than microwaves, but lower frequency than UV (ultraviolet).

3 0
3 years ago
Which of these actions would increase heat transfer between two objects?
Kaylis [27]

Answer:

Increasing the area of their contact.

Explanation:

Just took the test and it was right.

3 0
2 years ago
Read 2 more answers
How does an executive order differ from a statue?
ICE Princess25 [194]

Answer: Executive Order on Protecting American Monuments, Memorials, and Statues against our country are public monuments, memorials, and statues.

Explanation: learned it last week

6 0
2 years ago
8. Main Idea How do animals reproduce?
Gnoma [55]

Answer: Many multicellular animals like fishes, mammals, birds, etc. reproduce through sexual reproduction process. Even reproduction in domestic animals also occurs through the sexual process. Domestic animals (pets or farm animals) are an essential part of our life. MARK AS BRAINLIST PLZ

Explanation:

3 0
2 years ago
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Two resistors of 15 and 30 ω are connected in parallel. if the combination is connected in series with a 9. 0-v battery and a 20
Stels [109]

Resistors Working Together.

Resistors are shown coupled in parallel to a voltage source in Figure 10.3.4. When all of the resistors' ends are connected to one another by a continuous wire of minimal resistance and their other ends are also connected to one another by a continuous wire of minimal resistance, the resistors are said to be in parallel. There is a constant potential drop across all resistors. Ohm's law, I=V/R, can be used to determine the current flowing through each resistor while the voltage is constant across each resistor. For instance, the headlights, radio, and other components of an automobile are linked in parallel so that each subsystem can use the entire voltage of the source and function independently. The wiring in your home or any other structure shares the same

The original circuit is shown in part a with two parallel resistors linked to a voltage source, and the equivalent circuit is shown in part b with one equivalent resistor connected to the voltage source.

learn more about  resistors brainly.com/question/22259983

#4159

3 0
1 year ago
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