modern physics 2.0

Who was the first person to propose the idea of a black-hole like object

John Michell

What is the name of the boundary around a black hole where nothing can escape, not even light?

Event Horizon

How are stellar black holes typically formed?

When a massive star collapses under its own gravity.

What kind of black hole is believed to form at the same time as a galaxy?

Supermassive Black Hole

What technology first provided strong observational evidence for black holes in 1971?

X-Ray Observations

Who developed special relativity?

Albert Einstein

What is time dilation?

When an object moves fast time moves slow rather than the object at rest

Which object moves slower in time?

A GPS satellite orbiting earth

What is special realativity?

A theory that describes how time and space are linked for objects moving at constant speeds

What object uses special relativity?

Particle Accelerators

Which energy source provides that largest share of electricity generation in Texas as of 2023?

Natural Gas

Which of the following is a pro of using nuclear power for electricity generation for Mr. Giraud's tv?

It has high energy density and low carbon emissions

What is one major disadvantage of non renewable power sources?

It Causes air pollution and health hazards

what is the type of line that takes electricity to Mr. Giraud's house?

Low voltage line

What's the purpose of Mr. Giraud's generator?

Converts mechanical energy into electrical energy

How does dual slit experiment prove that light has a wave characteristic?

Because it shows the light constructively and destructively interacting

What is a quanta?

none of the above

How do solar panels produce power?

With the photoelectric effect

What is an electron microscope used for?

you use it to look at extremely small objects

what was albert Einstein's contribution to the dual nature of light?

He supports that light has particle and wave properties

Which scientist discovered polonium and radium, as well as changing our fundamental understanding of radioactivity?

Mary Curie

What type of radiation is most harmful

gamma rays

which is a medical use of radiation

x-ray imaging

what is a common household item that uses radiation

microwave oven

What material is used in nuclear reactors that can become dangerously radioactive during a meltdown?

Uranium

what is Rayleigh scattering?

the reason the sky is blue

what does redshift indicate?

that the thing your looking at is farther away

why does the aurora borealis occur at the poles?

That is where the earths magnetic field is weakest

How do neon lights relate to spectroscopy?

they can be used to calibrate a spectrometer

How do lasers relate to spectroscopy

they can be used to study free radicals

what is the equation that describes the mass energy equivalence

e=mc^2

math problem

1.8x10^14 J

what are the two cities that atomic bombs were dropped on

hiroshima, nagasaki

what is the difference between fusion and fission

fusion is the process of combing atoms, fission is the process of splitting

which of the following is the primary function of a tokomak generator in nuclear fusion reactors

to use magnetic fields to confine a stabilize plasma for nuclear fusion.

what is quantam tunneling?

a phenomenon where particles can pass through an object even if it does not have enough energy to do so

what does the absorbtion spectrum represent in terms of light interaction with a substance

the range of wavelengths of light absored by a substance

what is the photoelectric effect directly related to the fuction of solar cells

solar cells rely only on the nature of light where photons knock electrons loose….

how is blackbody radiation helpful to us today

it offers a method for determining the temperature of stars by emitting radiation

the double slit experiment involved sharing light through 2 narrow slits what was the main obersavtion on the screen behin dthe slits?

an alternating pattern of bright and dark fringes

how is the e;ectromagnetic specturm utilized in spectroscopy

how wavelenthgs be absored or emiited by matter