La luce teoria ondulatoria e corpuscolare

Question 1

What is the speed of light in a vacuum?

Answer 1

299,792 kilometers per second (approximately 300,000 km/s)

Question 2

True or False: Light is a form of electromagnetic radiation.

Answer 2

True

Question 3

Fill in the blank: Light behaves both like a _______ and a _______.

Answer 3

wave, particle

Question 4

What is the term for the bending of light as it passes from one medium to another?

Answer 4

Refraction

Question 5

What phenomenon causes the colors of a rainbow?

Answer 5

Dispersion

Question 6

What is the name of the theory that explains the dual nature of light?

Answer 6

Wave-particle duality

Question 7

True or False: Ultraviolet light has a longer wavelength than visible light.

Answer 7

False

Question 8

What is the range of wavelengths for visible light?

Answer 8

Approximately 400 to 700 nanometers

Question 9

What is the effect called when light waves spread out after passing through a narrow opening?

Answer 9

Diffraction

Question 10

What is the term for the change in frequency of light due to the motion of the source?

Answer 10

Doppler effect

Question 11

What are the primary colors of light?

Answer 11

Red, Green, Blue

Question 12

Fill in the blank: The angle of incidence equals the angle of _______.

Answer 12

reflection

Question 13

What is the name of the process by which light is absorbed and re-emitted by atoms?

Answer 13

Emission

Question 14

True or False: Infrared light is visible to the human eye.

Answer 14

False

Question 15

What is the name of the phenomenon where light can be polarized?

Answer 15

Polarization

Question 16

What is the unit of measurement for light intensity?

Answer 16

Candela

Question 17

What is the term for the maximum distance light can travel through a medium?

Answer 17

Optical path length

Question 18

Fill in the blank: Light travels _______ in water than in air.

Answer 18

slower

Question 19

What is the relationship between wavelength and frequency of light?

Answer 19

They are inversely related.

Question 20

What is the phenomenon called when light reflects off a surface and creates a clear image?

Answer 20

Specular reflection

Question 21

What is the critical angle in optics?

Answer 21

The angle of incidence above which total internal reflection occurs.

Question 22

True or False: The color of an object is determined by the wavelengths of light it reflects.

Answer 22

True

Question 23

What is the primary purpose of a lens?

Answer 23

To focus or disperse light rays.

Question 24

Fill in the blank: The _______ effect explains how light changes color as it moves towards or away from an observer.

Answer 24

Doppler

Question 25

What is the term for the scattering of light by small particles?

Answer 25

Rayleigh scattering

Question 26

What is the main source of natural light on Earth?

Answer 26

The Sun