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Physical & Geometric Optics > Module 1 - Test 1 > Flashcards

Module 1 - Test 1 Flashcards

1
Q

What is a Real number?

A

Has a point and can be plotted on a number line

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2
Q

What is an Integer?

A

Whole number and its opposite

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3
Q

What is a digit?

A

Numbers from which the numerals are made

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4
Q

What is a radical?

A

Involves a square root, cube root, etc of an integer

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5
Q

What is a variable?

A

A letter which stands for an unspecified number from a given set

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6
Q

What is an expression?

A

A collection of variables and constants connected by operation signs (+, -, x, /, etc)

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7
Q

What is an absolute value?

A

The difference between the number and zero on the number line. It’s denoted by two vertical lines | |

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8
Q

What are terms?

A

Numbers that are added to each other or subtracted from each other

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9
Q

What are factors?

A

Numbers that are multiplied together

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10
Q

In the expression x to the y, what is x?

A

The base

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11
Q

In the expression x to the y, what is y?

A

The exponent

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12
Q

What is the expression x to the y called?

A

A power

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13
Q

Solve a + b = c for b

A

b = c - a

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14
Q

Solve U + P =V for U

A

U = V - P

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15
Q

Solve 0.25 = n - 1 for n

A

n = 1.25

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16
Q

Solve f = 1 / D for D

A

D = 1 / f

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17
Q

Solve Prism = Lens Power x OC for Lens Power

A

Lens Power = Prism / OC

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18
Q

In a rectangular coordinate system, what is the x axis called?

A

Abscissa

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19
Q

In a rectangular coordinate system, what is the y axis called?

A

Ordinate

20
Q

In a rectangular coordinate system, what are the two axes called?

A

Horizontal axis
Vertical axis
Both together are coordinate axes

21
Q

What are the 4 regions of a rectangular coordinate system called?

A

Quadrants

22
Q

What is the point of intersection between two axes called?

A

Origin

23
Q

What is an ordered pair?

A

Two numbers corresponding to a single point on a graph

24
Q

Calculate f(m) for a lens whose power is +3.00 D

A 
f(m) = 1 / P(D)
f(m)  = 1 / 3.00
f(m) = 0.333 m = 33.3 cm
25
Q

What are the metric system conversions for length?

A

1 m = 10 dm = 100 cm = 1000 mm

1 km = 1000 m

26
Q

Solve 50 cm = _____ mm

A

50 cm x 1000 mm/100 cm = 500 mm

27
Q

How many cm are in an inch?

A

2.54

28
Q

How many inches are in a meter (m)?

A

39.37

29
Q

How many yards are in a meter (m)?

A

1.09

30
Q

Convert 20 ft to meters

A

20 ft x 12 in / 1 ft x 2.54 cm / 1 in x 1 m / 100 cm

= 6 m

31
Q

How many grams are in a pound (lb)?

A

454

32
Q

What geometric shape has 5 sides?

A

Pentagon

33
Q

What geometric shape has 6 sides?

A

Hexagon

34
Q

What geometric shape has 8 sides?

A

Octagon

35
Q

What is an acute angle?

A

An angle measuring between 0 and 90 degrees

36
Q

What is an obtuse angle?

A

An angle measuring more than 90 but less than 180 degrees

37
Q

What is a right triangle?

A

An angle measuring exactly 90 degrees

38
Q

What is a straight angle?

A

An angle measuring exactly 180 degrees

39
Q

What is an isosceles triangle?

A

One with two equal congruent sides

40
Q

What is an equilateral triangle?

A

One with all 3 sides of equal length and all 3 angles are 60 degrees

41
Q

What is a scalene triangle?

A

One with all sides different lengths and all angles different degrees

42
Q

What is an acute triangle?

A

One where each angle is less than 90 degrees

43
Q

What is an obtuse triangle?

A

One where one angle is greater than 90 degrees

44
Q

What lens is biconvex?

A

A converging lens

45
Q

What lens is biconcave?

A

A diverging lens

46
Q

What shape is a converging lens?

A

biconvex

47
Q

What shape is a diverging lens?

A

biconcave

Physical & Geometric Optics (4 decks)

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