Updated - March 17, 2023 11:54 am IST
Published - March 16, 2023 08:23 pm IST
Sci-Five | The Hindu Science quiz: On superconductivity and more
A visitor touches a superconducting magnet at the Elemento Science Museum in Minsk on September 19, 2015. File
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Who discovered superconductivity?
- Albert Einstein
- Heike Kamerlingh Onnes
- Robert Bunsen
- Lord Kelvin
Superconductivity was discovered in 1911 by Dutch physicist Heike Kamerlingh Onnes. He was awarded the Nobel Prize for Physics in 1913 for his low-temperature research.
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Superconductors are...
- Diamagnetic
- Paramagnetic
- Ferromagnetic
- Ferrimagnetic
In 1933, it was discovered that a superconductor is highly diamagnetic that is, it is strongly repelled by and tends to expel a magnetic field.
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Removal of a magnetic field from the interior of a material that is in the process of becoming a superconductor is called...
- Onnes effect
- Josephson effect
- Meissner effect
- Réaumur effect
The Meissner effect, a property of all superconductors, was discovered by the German physicists W. Meissner and R. Ochsenfeld in 1933.
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What is absolute zero?
Absolute zero is the temperature at which a thermodynamic system has the lowest energy. It corresponds to −273.15 °C (−459.67 °F)
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Which of the following is associated with superfluidity?
- Hydrogen
- Helium
- Oxygen
- Ammonia
Superfluidity is the frictionless flow observed in liquid helium at temperatures near absolute zero.
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