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Chapter 30: Q3CQ (page 1110)

If atoms exist, why can鈥檛 we see them with visible light?

Short Answer

Expert verified

As the difference between an atom's size and the wavelength of visible light is too great, atoms cannot be seen with visible light.

Step by step solution

01

Define atom

The matter is composed of number of constituents and the smallest of all those is the atom. The three types of matter say solid liquid, gas and the plasma are all composed of atoms of different characteristics, while the atom can be neutral, positive or negative.

02

Reason for atom to be invisible

Consider the range of the wavelength of the atom is 400-700 nm, this is the reason why it is invisible to the naked eyes and in the visible light. The electromagnetic radiation are not used to view such small object like atoms as the wavelength of the electromagnetic wave is larger than that of atom. If one uses the powerful microscopes to view the atoms, the person will not be able to distinguish the single atom

Therefore, the atom is invisible in visible light.

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Most popular questions from this chapter

An x ray tube has an applied voltage of 100 kV.

(a) What is the most energetic x-ray photon it can produce? Express your answer in electron volts and joules.

(b) Find the wavelength of such an X鈥搑ay.

(a) What is the minimum value of 1 for a subshell that has 11 electrons in it?

(b) If this subshell is in the n = 5shell, what is the spectroscopic notation for this atom?

For a given value of n, what are the allowed values of l ?

Calculate the mass of a proton using the charge-to-mass ratio given for it in this chapter and its known charge.

(b) How does your result compare with the proton mass given in this chapter?

(a) what voltage must be applied to an X-ray tube to obtain0.0100 fm wavelength X-rays for use in exploring the details of nuclei? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?
See all solutions

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