Physics Questions
Explore questions in the Physics category that you can ask Spark.E!
According to the electron-cloud model, electrons move unpredictably through regions of space called ________.
Substances composed of a single type of atom are called?
The subatomic particle that has a positive charge is the _________.
Each element is given an abbreviation called a ________.
Atoms of the same element that have a different number of neutrons are _____________ of that element.
Scientists believe that protons and neutrons are composed of smaller particles called ___________.
The overall motion of each electron can be mathematically represented by four _______________ numbers.
John Dalton proposed that all matter consists of tiny particles called _______.
The total number of protons and neutrons in an atom is its _________.
The principle stating that it is impossible to know both the position and velocity of an electron simultaneously is the ________.
a scientist is testing an unknown metal sample. He burns the sample and measurements the spectrum produced. He concludes that the metal is sodium because of the characteristics bright yellow lines he observes. What is the general term for the type of techniques he is performing?
What property describes a beam of light whose waves are all aligned in the same direction?
What phenomenon occurs when light rays from a distant objects are refracted by heated air so that the object appears to be nearby?
What phenomenon occurs when light passes through a glass plate with parallel, microscopic grooves on it?
An image that appears to be behind a mirror is called a _______ image.
A lens that curves outward and causes rays of light passing through it to bend inward and converge to a point is a _______ lens.
Refraction occurs because light waves change their ____________ when they pass from one medium to another.
electrons ____ energy as they move to higher levels
Waves with a high frequency have a ___________ wavelength.
Are energy and wavelength inversely or directly related?