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Albert Einstein

Includes questions about the life and works of physicist Albert Einstein.

5,059 Questions

What are the uses of photoelectric effect?

The photoelectric effect is used in devices such as solar cells to convert light energy into electrical energy. It is also used in photocells to control lighting in automatic systems, such as motion-sensing lights. Additionally, it is used in photography to capture images and in spectroscopy to analyze the composition of materials.

According to Einstein's equation how much mass would have to disappear during a reaction for 9 x 1016 J of energy to be produced?

Einstein's equation in it's simplest form is E=mc2

so to get 9*1016 J divide this by c2 which would give you the mass

'which in this case is 1, In these units I believe this is 1kg

What is Albert Einstein known for and why is this significant?

Einstein is most known for his theories of special relativity and general relativity. These were significant because they helped lay the groundwork for modern physics. In addition, he explained the photoelectric effect, which has led to many practical applications, such as light sensors. Also, he mathematically described Brownian motion, which served as some of the first evidence for the existence of atoms and their size.

Did Albert Einstein ever break a bone?

I can't say for certain, but he would put his pants on backwards, he obviously didn't pay much attention to what was happening around him, so I'd say he probably did.

Einstein's theory of special relativity lead to?

Einstein's theory of special relativity led to breakthroughs in understanding the relationship between space and time, introducing the concept of spacetime and the equivalence of mass and energy, famously expressed in the equation E=mc^2. It also revealed that the laws of physics are the same for all non-accelerating observers.

What did Albert Einstein discover in light or sound?

Albert Einstein did not discover anything new about light or sound. However, his theories of relativity revolutionized our understanding of space, time, and gravity, providing a new framework for understanding the behavior of light and energy.

Einsteins equation of photo electric effect?

1. hv=hvo + 1/2mvo2

here h= plank's constant

v= cut off wavelength

vo=cut off frequency

m= mass

vo=stopping potential

Why was Albert Einstein awarded the Copley Medal of the Royal Society of London?

The Copley Medal of the Roayl Society is awarded to anyone sho has made outstanding achievements in any branch of science. The award often alternates between the physical and the biological sciences. Albert Einstein was awarded the Copley Medal of the Royal Society in 1925 for his theory of relativity and his contributions to the idea of quantum theory.

How did albert Einstein prove that light travels in the form of photons?

This query too is an interesting one to roam about.

Have we ever seen two waves traversing on the calm surface of water give out collision among themselves? No and never! Is it not?

That is why scientists used these terms as first and foremost, while they start explaining about the superposition of waves.

"Each and every wave would travel in the medium as if the other waves were absent."

If this is the fate of the waves, then how is it possible for waves such as light when falling on a substance to kick off electrons to come out of the surface. This phenomenon is known as photo electric emission.

First light energy was assumed to be made of corpuscles by Sir Issac Newton. But his theology failed as he declared a wrong idea that the speed of light is more in denser medium. But, by practical experiments done by Foucault and others, that was disproved. Hence wave theology was proposed by Christian Huygens. Sticking on to this wave aspect, James Clark Maxwell proposed electromagnetic wave theory stating that light is not a mechanical wave as sound wave. Light can pass through even through non material medium such as free space, collocqualy saying, vacuum. Hence a wave is able to kick off material like electrons right from the atom. This will be possible only when light is in the form of some particle like which has at least momentum to kick. Hence photon concept was introduced by Einstein. But this quantum concept was already brought to light by Max Planck. That was applied to light energy by Einstein and he named those quanta of light as photons. Photon's rest mass is zero but it has momentum, which is measured right from its wavelength. P = h/ lambda. h is Planck's constant and its value is found to be 6.626 x 10 -34 Js.

Who aided Albert Einstein in his research?

Some believe that Mileva Maric, Albert Einstein's first wife was a gifted scientist and mathematician in her own right. However when Einstein died in 1955, he did not give her scientific credit for her help. Others believe that Einstein's wife was only used as a "sounding board" and that she did not come up with any of Einstein's mathematical concepts. It is not the case that she was a gifted scientist: she twice failed the Zurich Polytechnic diploma examinations for teaching physics and mathematics in secondary school, and there is no known work in physics that can be attributed to her.

Who were famous physicists?

Some famous physicists include Albert Einstein, Isaac Newton, Marie Curie, and Stephen Hawking. These individuals made significant contributions to our understanding of the universe and advanced our knowledge in areas such as relativity, quantum mechanics, and radiation.

What is an explanation of E equals mc squared?

Einstein's famous equation, E=mc², is a fundamental concept in physics. It states that energy (E) is equal to mass (m) multiplied by the speed of light squared (c²). This equation shows the equivalence of mass and energy, indicating that mass can be converted into energy and vice versa. It is the foundation of the theory of relativity and has led to advancements in nuclear energy and understanding the structure of the universe.

Describe the impact of albert Einstein's special theory of relativity on society?

Albert Einstein's special theory of relativity revolutionized our understanding of time, space, and energy. It led to advancements in technology like GPS and nuclear energy. It also influenced art, literature, and philosophy, sparking new ways of thinking about the nature of the universe and our place within it.

What achievements is Albert Einstein known for?

The German scientist Albert Einstein is perhaps best known for his theory of special relativity and his famous equation E = mc2. He is also famous for his work on Quantum theory with Max Planck, the discovery of the photoelectric effect, the development of the photon theory, work on the Shroedinger equation, and other important scientific discoveries.

His most famous works are Special Theory of Relativity(1905), Relativity (English translations, 1920 and 1950), General Theory of Relativity (1916), Investigations on Theory of Brownian Movement (1926), and The Evolution of Physics (1938), About Zionism (1930), Why War?(1933), My Philosophy (1934), and Out of My Later Years (1950).

Explain how the photoelectric effect is used to open automatic doors?

In automatic doors, the photoelectric effect is utilized by a sensor that emits a beam of light across the door frame. When someone interrupts this beam by walking through the doorway, the sensor detects the decrease in light intensity and triggers the door to open. This process enables the automatic door to open and close without the need for physical contact.

Bose-Einstein condensation occurs at what temperature?

Bose-Einstein condensation occurs at extremely low temperatures, typically near absolute zero (0 Kelvin or -273.15 degrees Celsius). At this temperature, the individual atoms or particles that make up a Bose gas lose their distinct identities and start to behave as a single entity, forming a condensate with quantum mechanical properties.

Did albert einstein create a light bulb?

No, Albert Einstein did not create the light bulb. The invention of the light bulb is credited to Thomas Edison, who patented the first commercially practical incandescent light bulb in 1879. Albert Einstein was a theoretical physicist known for his contributions to the field of physics, particularly the theory of relativity.

What inspired Albert Einstein to become what he is?

Albert Einstein was inspired by a deep curiosity about the natural world and a desire to understand the fundamental workings of the universe. His interest in physics and mathematics led him to pursue a career as a scientist, and his groundbreaking theories such as the theory of relativity were born out of his relentless pursuit of knowledge and truth.

What is blabermouth?

Someone who gossips/ tells other peoples secrets et cetera

Is quark misfit in Einsteins' theory?

Quarks are not a misfit in Einstein's theory of relativity. Quarks are fundamental particles that make up protons and neutrons, which are key components of atomic nucleus. While Einstein's theory of relativity mainly deals with large-scale objects and gravitational interactions, it does not directly conflict with the existence of quarks or the principles of quantum mechanics that govern their behavior.

Did Einstein know how to drive?

Yes, Albert Einstein did know how to drive. He learned to drive in his mid-20s and owned several cars throughout his life. However, he was known to be a cautious driver and was not particularly fond of it.

What are the physical significances of equation of continuity?

The equation of continuity represents the principle of conservation of mass in fluid dynamics. It ensures that the mass flow rate into and out of a control volume remains constant. In practical terms, it helps in analyzing fluid flow behavior and designing systems like pipelines and channels to ensure steady and proper flow.

Why did Albert Einstein's brain get preserved?

Albert Einstein's brain was preserved for future scientific study/analysis due to his universally recognized skills as a mathematician and it was thought that the study of his brain would provide insight as to why he was capable of formulating some of the most far reaching insights into theoretical physics ; see related link below

Is Albert T. Gay?

Why Yes! He is. I have seen him do some bad things that would prove this answer to be correct!

What did Albert Einstein say about Electromagnetic Radiation?

Albert Einstein's work laid the foundation for understanding electromagnetic radiation through his theory of relativity and the photoelectric effect. One of his most famous equations, E=mc^2, demonstrates the relationship between matter and energy, which is central to understanding electromagnetic radiation.