From nanosphere to Nobel Prize The Hindu Science Quiz
This year the academy is likely to seek a more harmonious choice for the 10 million kronor (more than USD 1.1 million) prize.
START THE QUIZ
1 / 5 |
Which of the following is a soft rock produced when lava with a high content of water and gases is given off from a volcano?
The name is derived from the latin word pumex which stands for foam. Basalt is also a volcanic rock but it is very hard and different from Pumice.
Next
2 / 5 |
Piezoelectricity is the phenomenon where in response to being moved or squeezed a crystal shows an accumulation of electric charge. One of the physicists who discovered this also won the Nobel prize though for a different discovery. Who was this?
- W. H. Bragg
- Marie Curie
- Pierre Curie
- Joliot Curie
Pierre Curie and his elder brother Jacques Curie discovered piezoelectricity in 1880.
Next
3 / 5 |
The invention of the scanning tunnelling microscope (STM) earned its inventors Gerd Binnig and Heinrich Rohrer the Nobel prize in 1986. Which of the following is an achievement of the STM?
- Imaging one-atom-thick layers
- Imaging electrons
- Viewing subatomic particles
- Viewing individual cells in a tissue
Imaging atom-thick layers. It has a sharp imaging tip that can distinguish features less than 0.1 nanometre thick.
Next
4 / 5 |
In April 2021, Saint Gobain set a record by making
- The most transparent glass sheet in the world
- The world’s largest single crystal sapphire tube
- Largest glass crystals in the world
- World’s hardest glass
The world’s largest single crystal sapphire tube which had outer diameter of 2.5inch and length of 30 inches.
Next
5 / 5 |
Gold as we all know is yellow in colour, but nanospheres of gold appear differently coloured. Which of the following is the right description?
- Green
- Red and Purple
- Blue
- Yellow
At that size, due to the quantum nature of interactions, the particles absorb green or yellow light and hence reflect the complementary colours of red or purple.
Next