Physics M01 Exam

Within a closed system, energy is a ________________ quantity, so the total energy contained must always be the same.

Most of the heat energy produced in an x-ray tube during an exposure is released by:

According to the histogram graph below, how many pixels in this digital image hold a pixel value of 1280?

Which of the following is about the width of your smallest fingernail?

According to the graph below, how much radiation was required to cause 65% of a population of rats to develop leukemia?

The value 0.72 expressed a s a percentage is:

What is 8 x 10⁸ divided by 4 x 10^-2?

To multiply numbers with exponents:

X-rays, gravity, electrical charge attraction, magnetism and other radiations all follow the inverse square law because:

In "closed systems" such as the universe, laws of conservation demand that:

The generic unit of energy is the

What is the "long-hand" expression for 4.2 x 10⁴:

In physics, which of the following is not a fundamental standard of measurement?

If a 50-kilogram body is moved from outer space down to earth, its mass will:

The three ways in which the transfer of energy can result in heating are: multiple answers

Which of the following is not a form of energy:

A fluoroscopic examination is conducted using 1.5 A (amperes) of electricity. That is equivalent to:

A single x-ray or light ray is called a(n) ________________.

40 ms = _______ seconds

Heat is defined as the flow of ________ from one substance to another:

As the distance from the x-ray tube to the image receptor plate changes, the intensity of radiation changes:

Any device that can change one form of energy into another is called a(n):

The difference between mass and weight is that mass remains ____________ regardless of its location

Graphs must use ______ in order to accurately represent data.