Of all the forms of electromagnetic radiation, the one with the lowest frequency is:
A) gamma rays.
B) ultraviolet rays.
C) visible light.
D) microwaves.
E) radio waves.
E
You might also like to view...
A layer of ethyl alcohol (n = 1.361) is on top of water (n = 1.333). To the nearest degree, at what angle relative to the normal to the interface of the two liquids is light totally reflected?
a. 78° b. 88° c. 68° d. 49° e. the critical angle is undefined
When aqueous solutions of Na2CO3 and BaCl2 are mixed, the products are NaCl and ______________
Fill in the blank(s) with correct word
A constant magnetic field is applied perpendicular to the plane of a square, single-turn coil with each side equal to 15 cm. If the area of the coil decreases at a rate of 0.20 m2/s, an emf of 20 mV is induced in that coil
What is the strength of the magnetic field applied to the coil? A) 0.10 T B) 0.20 T C) 0.30 T D) 0.40 T E) 0.50 T
The molten rock material that originates far below
the surface of Earth is called a) magma b) limestone c) feldspar d) tephra