The ancient Greek who is known for championing the concept of the atom was named ______________.
Fill in the blank(s) with correct word
[Ques. 2] A hollow cylindrical (inner radius = 1.0 mm, outer radius = 3.0 mm) conductor carries a current of 80 A parallel to its axis. This current is uniformly distributed over a cross section of the conductor. Determine the magnitude of the magnetic field at a point that is 2.0 mm from the axis of the conductor.
a. 8.0 mT
b. 3.0 mT
c. 5.3 mT
d. 16 mT
e. 1.2 mT
[Ques. 3] All distant galaxies are moving away from us, and the farther away a galaxy is from us, the faster it is moving is a statement of ______________ law.
Fill in the blank(s) with correct word
[Ques. 4] The element named ______________ was detected spectroscopically on the Sun before it was found on Earth.
Fill in the blank(s) with correct word
[Ques. 5] A long straight wire (diameter = 2.0 mm) carries a current of 40 A. What is the magnitude of the magnetic field 1.5 mm from the axis of the wire?
a. 3.0 mT
b. 12 mT
c. 5.3 mT
d. 7.4 mT
e. 8.0 mT
[Ques. 6] The most distant known objects in space are called ______________.
Fill in the blank(s) with correct word
[Ques. 7] A beam of light can be thought of as consisting of a stream of particles called ______________.
Fill in the blank(s) with correct word
[Ques. 8] A long straight wire (diameter = 2.0 mm) carries a current of 25 A. What is the magnitude of the magnetic field 0.50 mm from the axis of the wire?
a. 5.0 mT
b. 10 mT
c. 0.63 mT
d. 2.5 mT
e. 0.01 mT
[Ques. 9] Astronomers believe that most of the matter that makes up the universe is not detected by any part of the electromagnetic spectrum. This mysterious matter is called ______________.
Fill in the blank(s) with correct word
[Ques. 10] The energy levels of electrons in atoms are ______________, which means that only certain values of energy are allowed.
Fill in the blank(s) with correct word
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