Tag: science & technology

Quizzes (551) Questions (11015)

Questions Related to science & technology

Multiple choice general knowledge science & technology

The surface of the sun is the part we can see.It is called:

  1. core

  2. photosphere

  3. chromosphere

  4. corona
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The photosphere is the visible surface layer of the Sun that we can see from Earth. It's approximately 500 km thick and has a temperature of about 5,500°C. The core is the innermost region where nuclear fusion occurs, the chromosphere is a thin layer above the photosphere, and the corona is the Sun's outer atmosphere visible during eclipses.

Multiple choice general knowledge science & technology

Which of these geniuses was the first to determine that electricity could be sent long distances with little energy loss using an alternating current and transformers?

  1. Nikola Tesla

  2. Thomas Edison

  3. Elisha Gray

  4. Max Planck
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nikola Tesla pioneered the development of alternating current (AC) systems and transformers, which allowed electricity to be transmitted over long distances with minimal energy loss. Thomas Edison was a proponent of DC current, which could not be transmitted efficiently over long distances.

Multiple choice general knowledge science & technology

This genius writer wondered if madness might be "the loftiest intelligence," and if perhaps "all that is profound" might spring "from the disease of thought "?

  1. Virginia Woolf

  2. Fyodor Dostoyevsky

  3. Edgar Allen Poe

  4. L Ron Hubbard
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Edgar Allan Poe explored the relationship between madness and creative genius in his literary works, expressing the idea that profound thought might spring from "disease of thought." Virginia Woolf and Dostoyevsky also touched on mental themes but this specific quote is Poe's.

Multiple choice general knowledge science & technology

Which famous agency have used Painting of Tipu Sultan in its building to show respect to him for his great work ?

  1. SETI

  2. RBI

  3. ISRO

  4. NASA
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

NASA (National Aeronautics and Space Administration) has displayed a painting of Tipu Sultan in its building to honor his contributions. Tipu Sultan, the 18th-century ruler of Mysore, is noted for his support of science and technology, including his interest in rocketry and military innovations. NASA acknowledged this historical connection to early rocket development.

Multiple choice general knowledge science & technology

The water screw, still saving lives of people in rural areas without access to clean water, was invented by which ancient genius inventor?

  1. Archimedes

  2. Ts'ai Lun

  3. Ibn al-Haitham

  4. Fyodor Dostoyevsky
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Archimedes invented the water screw, also known as the Archimedes' screw, around 250 BCE. This device is still used today in rural areas for lifting water. Ts'ai Lun invented paper, Ibn al-Haitham made contributions to optics, and Fyodor Dostoyevsky was a novelist, not an inventor.

Multiple choice general knowledge science & technology

This ancient Kemetic (Egyptian) genius is considered "the first figure of a physician to stand out clearly in the mists of antiquity" -- 2,500 years before the "father of medicine," Hippocrates

  1. Thoth

  2. Imhotep

  3. Khufu

  4. Plato
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Imhotep was an ancient Egyptian polymath who served as chancellor to the pharaoh Djoser and is considered the first physician in recorded history, living around 2600 BCE - about 2,500 years before Hippocrates. He was also an architect and designed the Step Pyramid at Saqqara. Thoth, Khufu, and Plato were not primarily known as physicians.

Multiple choice general knowledge science & technology

This amazing and religious genius believed that his insights into the functioning of the universe were merely recovered artifacts of "ancient wisdom" from pre-Christian civilizations that understood the principles of the universe

  1. Leonardo da Vinci

  2. L Ron Hubbard

  3. Sir Isaac Newton

  4. Ibn al-Haitham
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sir Isaac Newton spent a significant portion of his life studying alchemy and biblical chronology, believing he was rediscovering lost knowledge from the ancients (Prisca Sapientia). He viewed his scientific discoveries as part of a larger religious truth.

Multiple choice general knowledge science & technology

The thought experiment of Quantum Suicide theoretically proves Hugh Everett III's Many-Worlds explanation of quantum mechanics Which of these physics geniuses came up with the Quantum Suicide experiment?

  1. Neils Bohr

  2. Max Planck

  3. Max Tegmark

  4. Archimedes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Max Tegmark, a cosmologist at MIT, proposed the Quantum Suicide thought experiment to illustrate the Many-Worlds interpretation of quantum mechanics. The experiment suggests that in a quantum suicide scenario, the experimenter would survive in some branches of the multiverse. Niels Bohr and Max Planck were pioneers of quantum mechanics but did not propose this specific thought experiment.

Multiple choice general knowledge science & technology

This physicist lost out to arguably the most well-known genius of all time, Albert Einstein, in the explanation of why the time-space continuum falls apart near the speed of light because he concluded it was due to changes in "the ether":

  1. Charles Darwin

  2. Hendrik Lorentz

  3. Pascual Jordan

  4. Werner Heisenberg
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hendrik Lorentz developed the Lorentz transformations to explain why the speed of light appeared constant, but he attributed the effect to physical contraction of objects moving through the 'aether'. Einstein later removed the need for aether with Special Relativity.

Multiple choice general knowledge science & technology

Which ancient Greek genius philosopher was made to execute himself by drinking a cup of poisonous hemlock as his sentence for publicly criticizing the ruling class?

  1. Archimedes

  2. Aristotle

  3. Plato

  4. Socrates
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Socrates was sentenced to death and forced to drink hemlock poison in 399 BCE for criticizing the ruling class of Athens and corrupting the youth. This is one of the most famous executions in philosophical history. Aristotle was Plato's student, Plato was Socrates' student, and Archimedes was killed during the Siege of Syracuse but not executed by hemlock.