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The Current Affairs questions are based on sources like ‘The Hindu’, ‘Indian Express’ and ‘PIB’, which are very important sources for UPSC Prelims Exam. The questions are focused on both the concepts and facts. The topics covered here are generally different from what is being covered under ‘Daily Current Affairs/Daily News Analysis (DNA) and Daily Static Quiz’ to avoid duplication. The questions would be published from Monday to Saturday before 2 PM. One should not spend more than 10 minutes on this initiative.
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Solution (d)
Option (d) is correct: An earthquake swarm began at Mount Rainier recently, with the region hit by more than 300 small quakes, the most significant seismicity at the volcano since 2009, the US Geological Survey (USGS) reported. Mount Rainier is the highest mountain (4,392 metres) in the state of Washington, United States. Covering 260 sq.km, Rainier is surrounded by the largest single-mountain glacier system in the United States outside Alaska.
Solution (d)
Option (d) is correct: An earthquake swarm began at Mount Rainier recently, with the region hit by more than 300 small quakes, the most significant seismicity at the volcano since 2009, the US Geological Survey (USGS) reported. Mount Rainier is the highest mountain (4,392 metres) in the state of Washington, United States. Covering 260 sq.km, Rainier is surrounded by the largest single-mountain glacier system in the United States outside Alaska.
Guryul Ravine Fossil Site, which was in news recently, is located in?
Solution (b)
Option (b) is correct: The Guryul Ravines is located in Kashmir, geologically known as the Vihi district. It consists of a repository of fossils that hold evidence of the Permian–Triassic extinction event, dating as far as back 260 million years. These preserve clear evidence of the catastrophic Permian–Triassic mass extinction, which wiped nearly all life on Earth. It also hosts what geologists believe is the world’s first-ever recorded tsunami event, its imprint still visible in the exposed rock layers.
Solution (b)
Option (b) is correct: The Guryul Ravines is located in Kashmir, geologically known as the Vihi district. It consists of a repository of fossils that hold evidence of the Permian–Triassic extinction event, dating as far as back 260 million years. These preserve clear evidence of the catastrophic Permian–Triassic mass extinction, which wiped nearly all life on Earth. It also hosts what geologists believe is the world’s first-ever recorded tsunami event, its imprint still visible in the exposed rock layers.
Consider the following statements about ‘Protostar’, which was in news recently:
Which of the statements given above is/are correct?
Solution (c)
Options 1 and 2 are correct: A protostar is an early stage in the star formation process. It is a large mass of gas and dust formed as a result of the contraction of a giant molecular cloud in the interstellar medium. As the cloud collapses, gravitational energy is converted into heat, warming the still-forming protostar. It may last from 100,000 to 10 million years, depending on the mass of the star. It begins with an increase in density in the molecular cloud core and ends with the formation of a pre-main-sequence star.
Solution (c)
Options 1 and 2 are correct: A protostar is an early stage in the star formation process. It is a large mass of gas and dust formed as a result of the contraction of a giant molecular cloud in the interstellar medium. As the cloud collapses, gravitational energy is converted into heat, warming the still-forming protostar. It may last from 100,000 to 10 million years, depending on the mass of the star. It begins with an increase in density in the molecular cloud core and ends with the formation of a pre-main-sequence star.
Which of the statements given above is/are INCORRECT?
Solution (d)
Options 1 and 2 are correct: Ground Penetrating Radar Technology is a geophysical method that uses high-frequency electromagnetic pulses to image the subsurface of the Earth or other solid materials. It is a non-destructive detection and imaging method which identifies subsurface elements either underground or within a surface such as concrete. GPR uses a transmitter antenna to send high-frequency, pulsed, Electromagnetic waves (typically from 10 MHz to 1,000 MHz) into the subsurface to acquire information.
Solution (d)
Options 1 and 2 are correct: Ground Penetrating Radar Technology is a geophysical method that uses high-frequency electromagnetic pulses to image the subsurface of the Earth or other solid materials. It is a non-destructive detection and imaging method which identifies subsurface elements either underground or within a surface such as concrete. GPR uses a transmitter antenna to send high-frequency, pulsed, Electromagnetic waves (typically from 10 MHz to 1,000 MHz) into the subsurface to acquire information.
How many of the statements given above are correct?
Solution (c)
Option 1 is correct: The Indian Astronomical Observatory, also known as the Hanle Observatory, is located in the Hanle Valley, Ladakh. It is situated at an altitude of 4500 metres above mean sea level to the north of Western Himalayas. Inaugurated in 2001, the observatory is run by Bengaluru’s Indian Institute of Astrophysics (IIA).
Options 2 and 3 are correct: The site is a dry, cold desert with sparse human population and the ancient Hanle monastery as its nearest neighbour. The cloudless skies and low atmospheric water vapour make it one of the best sites in the world for optical, infrared, sub-millimetre, and millimetre wavelengths. It houses a 2-meter aperture Himalayan Chandra Telescope (HCT), which is remotely operated from the Centre for Research and Education in Science and Technology (CREST) in Bengaluru.
Solution (c)
Option 1 is correct: The Indian Astronomical Observatory, also known as the Hanle Observatory, is located in the Hanle Valley, Ladakh. It is situated at an altitude of 4500 metres above mean sea level to the north of Western Himalayas. Inaugurated in 2001, the observatory is run by Bengaluru’s Indian Institute of Astrophysics (IIA).
Options 2 and 3 are correct: The site is a dry, cold desert with sparse human population and the ancient Hanle monastery as its nearest neighbour. The cloudless skies and low atmospheric water vapour make it one of the best sites in the world for optical, infrared, sub-millimetre, and millimetre wavelengths. It houses a 2-meter aperture Himalayan Chandra Telescope (HCT), which is remotely operated from the Centre for Research and Education in Science and Technology (CREST) in Bengaluru.
