What is the role of dust in the condensation theory?

What will be an ideal response?


Dust provides the condensation nuclei around which accretion can occur.

Physics & Space Science

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An ideal gas is confined to a container with an adjustable volume. If the number of molecules and the temperature are held constant, by what factor will the volume change when the pressure is tripled?

Physics & Space Science

The small circles in the diagram below represent the positions along the x axis of a body at equal time intervals. Assume the body moves in a straight line



This diagram is most likely to describe



a.
a swimmer swimming laps.

b.
an exercise on a rowing machine.

c.
a person on a treadmill.

d.
a tennis ball during a volley.

e.
a runner who tripped, fell, rose, and continued racing.

Physics & Space Science

White light is spread out into spectral hues by a diffraction grating. If the grating has 1 000 lines per cm, at what angle will red light (l = 640 nm) appear in first order?

a. 14.7° b. 7.35° c. 17.7° d. 3.67° e. 1.84°

Physics & Space Science

Air pressure decreases with

A) increasing height. B) increasing humidity. C) increasing temperature. D) increasing density.

Physics & Space Science