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max2010maxim [7]
2 years ago
9

The Temperatureslider controls the heat of the metal filamentinside the light. Scientists use the Kelvin scaleto measure the tem

perature of very hot objects. It is like the Celsius scale except 0 K (absolute zero) is the coldest anything can ever be.Slowly move the Temperatureslider all the way to the right. What happens? ___________ the color changes. The light energy emitted by the flashlight is called radiation
Physics
1 answer:
Lyrx [107]2 years ago
5 0

Answer:

The after  the light changes to more energetic Violet light

Explanation:

This type of thermometer is called a pyrometer, the light from the bulb is facing the light received from the hot object by moving the knob to the right for more current through the filament and the light changes towards more energy, violet. When the intensity from the hot source and the deserter are the same, the radiation is absorbed and the device is black, at this time the temperature is read.

The after  the light changes to more energetic Violet light

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2. What will be the extension of this spring if the load is a) 4N and b) 75 g?
Furkat [3]

Answer:

6

Explanation:

just add

7 0
2 years ago
It is not just lab chemicals but also common household substances that can be classified as acidic, basic, and neutral materials
Montano1993 [528]

Acidic: coffee, orange juice , soft drink, vinegar

Basic: Antacid, Baking soda, Detergent, Lye, Milk of Magnesia

Neutral: water, Sugar, Table salt.

<u>Explanation:</u>

Acidic substances have high concentration of hydrogen ions and have pH value less than 7. Basic substances have high concentration of hydroxide ions and have pH value more than 7. Neutral substance have pH value 7. The concentration oh hydrogen ions and hydroxide ions is equal.

Salt is formed when a acid reacts with base in a neutralization reaction. Different types of salt are formed depending upon the concentration of hydrogen and hydroxide ions. Neutral salt is formed when concentration of hydrogen ion is equal to concentration of hydroxide ions.

Coffee, orange juice , soft drink, vinegar are acidic substances. Antacid, Baking soda, Detergent, Lye, Milk of Magnesia. water, Sugar, Table salt are neutral substances.

6 0
3 years ago
Convert 3.2 kilometers to feet? ​
Tanzania [10]

Answer:

10498.7 feet

Explanation:

7 0
2 years ago
Read 2 more answers
Which statement best describes how the distance from a large river affects an area’s climate in the summer?
Montano1993 [528]

Answer:

Regions near rivers have water surfaces that rapidly change in temperature from cold to hot.

you have your own answer i only selected which is suitable for me . none of them is wrong they re excellent

3 0
2 years ago
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An object is placed at a far distance in front of a thin converging lens. Then the object (1 point) moves gradually toward the l
xeze [42]

Answer:

real, and then virtual

Explanation:

A converging lens is known as convex lens. This lens is called converging lens because it converges all light rays incident on the lens and parallel to the principal axis at the focus.

The nature of image formed by objects placed in front of this lens as mostly REAL IMAGES. The image formed becomes virtual only when the object is almost in close contact with the lens.

Based on the explanation, it can be deduced that an object placed far from a convex lens forms real images but as we move closer to the lens (almost touching the lens), the image formed overtime tends to be virtual.

8 0
3 years ago
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