Physics High School

When the state is being changes from gas to liquid through the process of condensation, the temperature...
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(A) Increases
(B) Decreases
(C) Remains constant
(D) May increase or decrease

Answers

Answer 1

When the state is being changes from gas to liquid through the process of condensation, the temperature remains constant. That is option C.

What is condensation?

Condensation is defined as the type of phase change of matters where by gaseous substances changes to a liquid state and this is exactly the opposite of evaporation.

Examples of condensation include the following:

Water droplets on the inside of windows.

Dew on grass.

A foggy mirror.

Reading glasses fogging up.

Water droplets on the outside of your cold drink.

The temperature remains constant during condensation because the extra heat is utilized in changing the phase of state of matter.

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Related Questions

a 9.85 mm high chocolate chip is placed on the axis of, and 12.3 cm from, a lens with a focal length of 6.51 cm. If it can be determined, is the chocolate chip\'s image real or virtual? -Real -Cannot Be Determined -Virtual How high is the image (expressed as a positive quantitiy)? _____ mm If it can be determined, is the image upright or inverted with respect to the real thing? -Cannot be determined -upright -inverted

Answers

The chocolate chip's image is virtual, and its height is approximately 13.8 mm. The image is inverted with respect to the real object.

To determine whether the chocolate chip's image is real or virtual, we can use the lens formula:

1/f = 1/v - 1/u

Where f is the focal length, v is the image distance from the lens, and u is the object distance from the lens.

Given that the focal length is 6.51 cm (0.651 cm) and the object distance is 12.3 cm (1.23 cm), we can substitute these values into the lens formula:

1/0.651 = 1/v - 1/1.23

Simplifying the equation:

0.651v = 1.23v - 1

0.579v = 1

v ≈ 1.73 cm (0.173 cm)

The positive image distance indicates that the image is formed on the same side of the lens as the object. Therefore, the image is virtual.

To determine the height of the image, we can use the magnification formula:

magnification = -v/u

Given that the object height is 9.85 mm (0.985 cm), we can calculate the magnification:

magnification = -0.173/1.23 ≈ -0.14

The negative magnification indicates that the image is inverted with respect to the real object. However, the height of the image can be calculated by multiplying the object height by the magnification:

image height = 0.985 cm * (-0.14) ≈ -0.138 cm

Since the height cannot be negative, we express the image height as a positive quantity: 0.138 cm (13.8 mm).

In summary, the chocolate chip's image is virtual, and its height is approximately 13.8 mm. The image is inverted with respect to the real object.

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