The colors of a neon light arise because it is a(n) ________ spectrum

Fill in the blank(s) with correct word


emission (or bright line)

Physics & Space Science

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The diffusion constant for water in air is What is the distance a water molecule can travel by diffusion in 10min?

A. 17 cm B. 20 cm C. 25 cm D. 31 cm E. 36 cm

Physics & Space Science

A pair of sunglasses and a pair of clear reading glasses are left in the sunlight. The hotter glasses will be the

A) sunglasses. B) reading glasses. C) both of these D) neither of these

Physics & Space Science

The electrical conductivity of a metal is not proportional to which of the following?

(a) Free-electron density (b) Electron mobility (c) Electron charge (d) Atomic number

Physics & Space Science

Which is brighter in our sky, a star with apparent magnitude 2 or a star with apparent magnitude 7? By how much is the star brighter?

What will be an ideal response?

Physics & Space Science