Mechanical Waves And Sound

Question 0

What three properties of light are different between red light and blue light?

Answer 0

Wavelength frequency energy

Question 1

How was the speed of light determined? What is one of the issues of measuring the speed of light?

Answer 1

Speed of light moves so fast, mirrors make it easier to record time

Question 2

What two things do you need to know about a wave in order to calculate it’s frequency?

Answer 2

Wavelength and speed

Question 3

What two things does an electromagnetic wave behave like?

Answer 3

A wave and a particle

Question 4

Isaac Newton hypothesized that light was a stream or particles because

Answer 4

It travels in a straight line and casts a shadow

Question 5

How do photons travel from a light source?

Answer 5

In all directions

Question 6

Why does light get dimmer as it moves away from its source?

Answer 6

The photons are spread out over a larger area

Question 7

Infrared rays are between what two other parts of the electromagnetic spectrum?

Answer 7

Radar and visible light

Question 8

The full range of frequencies in the electromagnetic spectrum is the

Answer 8

Electromagnetic spectrum

Question 9

The waves with the longest wavelengths in the electromagnetic spectrum are the

Answer 9

Radio waves

Question 10

Visible light lies between what two areas of the electromagnetic spectrum?

Answer 10

Infrared waves and ultraviolet waves

Question 11

X ray photographs show softer tissue as what color?

Answer 11

Dark highly exposed areas because X-rays are blocked by the sense material

Question 12

What does a translucent material do?

Answer 12

Scatters some, but not all of the light

Question 13

Order the light transmitting properties of materials from all light to no light. Opaque, translucent, and transparent

Answer 13

Transparent, translucent, opaque

Question 14

What is the term when light changes direction when it passes from one medium to another?

Answer 14

Refraction

Question 15

How do polarized sunglasses work?

Answer 15

It blocks the light that vibrates in certain planes

Question 16

What did newtons prism experiment discover?

Answer 16

Light is made up of different colors

Question 17

Name of the process that creates a rainbow from raindrops

Answer 17

Dispersion

Question 18

What determines the color of an object?

Answer 18

What it is made of and the color of the light that hits it

Question 19

Blue light and yellow light combine to form white light because they are

Answer 19

Complementary colors of light

Question 20

The primary colors of light are

Answer 20

Red blue and green

Question 21

An incandescent bulb produces light when the electrons flow through the

Answer 21

Filament

Question 22

Why do neon lights glow red

Answer 22

Electron configuration