Daily UPSC Prelims Current Affairs – May 2, 2023 [Mock Test]
May 22, 2023 May 22, 2023
1. ‘1-3-7 strategy’ often seen in news is related to which of the following?
[A] To boost daily productivity at work
[B] To amplify chances of winning a bet in casinos
[C] To prevent malaria
[D] To combat climate change
Show Answer
Correct Answer: C [To prevent malaria]
Notes:- China’s 1-3-7 Strategy: The strategy refers to:
- A one-day deadline to report a malaria diagnosis,
- Confirming a case and determining the spread by the third day, and
- Measures taken to stop the spread by the seventh day, along with continued surveillance in high-risk areas.
2. Consider the following statements regarding SNAP-10A:
- It was the world’s first operational nuclear reactor in space.
- It was launched by Russia.
- It is the only known nuclear reactor in space.
Which of the statements given above is/are correct?
[A] Only 2
[B] Only 1 & 3
[C] Only 1 & 2
[D] 1, 2 & 3
Show Answer
Correct Answer: B [Only 1 & 3]
Notes:- SNAP-10A was the world’s first operational nuclear reactor in space.
- SNAP-10A was launched on April 3, 1965 by the U.S.
- While it still remains in orbit, it was operational for just 43 days.
- SNAP-10A was built as a result of the System for Nuclear Auxiliary Power (SNAP) programme or SNAPSHOT for Space Nuclear Auxiliary Power Shot.
- SNAP-10A is the U.S.’ first and only known nuclear reactor in space.
3. ‘Einstein tile’ or ‘the hat’ was in news recently, it is used in terms of:
[A] Use and proliferation of nuclear weapons.
[B] Quantum Entanglement
[C] Thirteen sided aperiodic monotile
[D] Bell’s inequalities
Show Answer
Correct Answer: C [Thirteen sided aperiodic monotile]
Notes:- Several ways of tiling exists in nature and the real world like bathroom tiles or the hexagons of honeycomb. All of these are periodic and have a translation symmetry, i.e., the size, shape and angle remains the same, only the location changes.
- The 13-sided ‘hat’ discovered is also a shape that tiles plane, however, it does not possess translational symmetry. These types of shapes are called aperiodic tile sets.
- It is the first ‘Einstein’ tile to have been found. The ‘Einstein’ tile is an aperiodic monotile.
- ‘Einstein’ tile is a shape that can cover a plane without overlapping, leaving gaps, or repeating patterns. The tile has no connection with Albert Einstein.
