Phcysics

Question 1

A nonconducting material such as air, glass, or water whose electric charges will partially
align with an electric field is known as a

Answer 1

dielectric

Question 2

A device that precisely measures the charge-to-mass ratio of positive ions is a(n)

Answer 2

mass spectrometer

Question 2

Coupled, oscillating electric and magnetic fields that travels through space form a(n)

Answer 2

Electromagnetic Spectrum

Question 3

When a potential difference is applied across crystals that have ____ , they deform.

Answer 3

piezoelectricity

Question 4

Atoms of the same element that have different masses are called ____.

Answer 4

isotopes

Question 5

A wire that receives or transmits electromagnetic waves is a(n) ____.

Answer 5

antenna

Question 6

Positively charged particles that can be created by pulling electrons off a hydrogen atom are ____.

Answer 6

protons

Question 7

The ____ is the range of wavelengths and frequencies that make up all forms of electromagnetic radiation.

Answer 7

electromagnetic spectrum