SCIENCE AND TECH Flashcards
WHAT IS INDIA STACK?
INDIA STACK IS A COLLECTIVE NAME FOR A SET OF OPEN APPLICATION PROGRAMMING INTERFACE (APIs) AND DIGITAL GOODS THAT WILL ALLOW GOVERNMENTS, BUSINESS AND OTHER ORGANIZATIONS TO LEVERAGE IDENTITY, DATA AND PAYMENT INFRASTRUCTURE AT SCALE.
WHAT IS CHOLEDERM ?
IS THE FIRST INDIGENOUSLY DEVELOPED ANIMAL DERIVED WOUND CARE PRODUCT THAT MEETS ALL REGULATORY REQUIREMENTS.
WHAT IS PINGER?
MANY UNDERWATER VEHICLES ARE FITTED WITH AN ACOUSTIC DEVICE OFTEN CALLED A PINGER WHICH EMITS SOUNDS THAT CAN BE DETECTED UNDERWATER BY RESCUERS.
WHAT IS CURV-21? WHY IN NEWS?
US CABLE CONTROLLED UNDERSEA RECOVERY VEHICLE.
WELL BE USED TO RESCUE TITAN SUBMARINE.
EUCLID SPACE TELESCOPE IS BUILT BY?
AIM-
EUROPEAN SPACE AGENCY
AIM IS TO STUDY DARK UNIVERSE.
WHAT ARE EXOPLANETS?
ANY PLANET THAT ORBITS A STAR OTHER THAN THE SUN.
WHAT ARE ROGUE PLANETS?
EXOPLANETS THAT ARE NOT BOUND TO ANY STAR BUT INSTEAD ORBIT THE GALACTIC CENTER.
CLOSEST EXOPLANET?
PROXIMA CENTAURI B. IT ORBITS THE PROXIMA CENTAURI (CLOSEST STAR TO THE SUN).
WHAT ARE MASSIVE GIANT EXOPLANETS?
PLANETS HAVING MASS GREATER THAN 4 TIMES THAT OF JUPITER.
ELEMENT WITH HIGHEST ATOMIC NUMBER?
OGANESSON.
HEAVIEST ELEMENT IN TERMS OF ATOMIC WEIGHT?
OGANESSON.
ONLY TWO ELEMENTS ARE LIQUID IN ROOM TEMPERATURE?
MERCURY
BROMINE
FIRST 92 ELEMENTS OF PERIODIC TABLE ARE NATURALLY OCCURRING EXCEPT?
TECHNETIUM AND PROMETHIUM.
HOW CAN WE SAY THAT AN ELECTRON HAS LESS MASS THAN A PROTON, OR THAT A PHOTON HAD NO MASS AT ALL?
THE STRONGER A PARTICLE INTERACTS WITH THE HIGGS BOSON THE MORE MASS IT HAS.
A HIGGS BOSON CAN ALSO INTERACT WITH ANOTHER HIGGS BOSON- SO ITS MASS IS GREATER THAN THAT OF PROTONS OR NEUTRONS.
WHAT IS LARGE HADRON COLLIDER?
HOW DOES IT WORKS?
IT IS WORLD’S LARGEST AND MOST POWERFUL PARTICLE ACCELERATOR.
IT WORKS BY SMASHING TINY PARTICLES TOGETHER TO ALLOW SCIENTISTS TO OBSERVE THEM AND SEE WHAT’S INSIDE.
LARGE HADRON COLLIDER IS BUILT BY?
EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH (CERN) BETWEEN 1998 AND 2008 IN COLLABORATION WITH MORE THAN THOUSANDS SCIENTISTS AND HUNDREDS OF UNIVERSITIES AND LABORATORIES AS WELL AS MORE THAN 100 COUNTRIES.
WHAT ARE CRITICAL MINERALS?
MINERALS IN WHICH THE RISK OF SUPPLY SHORTAGE AND ASSOCIATED IMPACT ON ECONOMY IS RELATIVELY HIGHER THAN OTHER RAW MATERIALS.
ENUMERATE CRITICAL MINERALS OF INDIA?
THE 30 MINERALS FEATURED ON THE LIST INCLUDE
1 ANTIMONY
2 BERYLLIUM
3 BISMUTH
4 COBALT
5 COPPER
6 CADMIUM
7 GALLIUM
8 GERMANIUM
9 GRAPHITE
10 HAFNIUM
11 INDIUM
12 LITHIUM
13 MOLYBDENUM
14 NIOBIUM
15 NICKEL
16 PGE (PLATINUM GROUP ELEMENTS)
17 PHOSPHOROUS
18 POTASH
19 REEs
20 RHENIUM
21 SILICON
22 STRONTIUM
23 SELENIUM
24 TANTALUM
25 TELLURIUM
26 TIN
27 TITANIUM
28 TUNGSTEN
29 VANADIUM
30 ZIRCONIUM
ENUMERATE PLATINUM GROUP OF ELEMENTS?
1 PLATINUM
2 PALLADIUM
3 RHODIUM
4 RUTHENIUM
5 IRIDIUM
6 OSMIUM
ASPARTAME IS A METHYL ESTER DIPEPTIDE OF TWO NATURAL AMINO ACIDS?
1 L-ASPARTIC ACID
2 L-PHENYLALANINE
WHAT ARE COSMIC CLOCKS?
COSMIC CLOCKS OR PULSARS ARE RAPIDLY SPINNING NEUTRON STARS THAT SEND OUT RADIO SIGNALS AT REGULAR INTERVALS WHICH ARE SEEN AS BRIGHT FLASHES FROM THE EARTH.
WHAT ARE NANO-HERTZ GRAVITATIONAL WAVES?
THESE ARE ULTRA LOW FREQUENCY GRAVITATIONAL WAVES THAT EMERGE FROM A COLLIDING PAIR OF VERY LARGE MONSTER BLACK HOLES.
WHAT HAPPENS WHEN THERE IS CONTINUOUS ARRIVAL OF NANO HERTZ GRAVITATIONAL WAVES?
IT CREATES A CONSISTENT HUMMING IN OUR UNIVERSE WHICH GETS DETECTED USING POWERFUL RADIO TELESCOPES FROM THE EARTH.
WORLD’S MOST POWERFUL AND LARGE RADIO TELESCOPES ARE?
1 UPGRADED GIANT METREWAVE RADIO TELESCOPE (uGMRT)
2 WESTERBORK SYNTHESIS RADIO TELESCOPE
3 EFFELSBERG RADIO TELESCOPE
4 LOVELL TELESCOPE
5 NANÇAY RADIO TELESCOPE
6 SARDINIA RADIO TELESCOPE
WERE DEPLOYED TO STUDY 25 PULSARS OVER A PERIOD OF 15 YEARS.