Question
In which year was the James Webb Space Telescope (JWST)
launched?Solution
Webb telescope makes stunning observation of Milky Way’s giant black hole Black hole: Sagittarius A* (Sgr A*) – located at the centre of our galaxy. Telescope: James Webb Space Telescope (JWST), launched in 2021 and data collection to begin in 2022. Discovery: Movement and glowing light observed in the accretion disk of gas around the black hole. 1-3 large and several small flares were observed in 24 hours. The effect of gas colliding and compression in the magnetic field around the black hole.
The outer diameter of a hollow cylindrical brass rod is 9.1 cm. The rod is 35mm thick and is 40cm long. If the weight of 1 cubic centimeter of brass rod...
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The perimeter of a floor a room is 36m. What is the area of four walls of the room, if its height is 6m?
A rectangular piece of copper foil of length 63 cm and area 1386 cm2 is folded along its width to form a cylinder such that there is only one...
The length and breadth of a rectangle are increased by 20% and 30% respectively. The increase in the area of the resulting rectangle will be:
A closed wooden box of uniform thickness has length, breadth and height 20cms, 16cms and 12 cms respectively. If the thickness of the wooden block is 2 ...
Find the lateral surface area of a pyramid with a rectangular base measuring 12 meters by 8 meters and a slant height of 18 meters.
A box has 80 Red, 40Blue and 40 Black Balls. 25% of Red Balls and 50% of Blue Balls are taken away, percentage of Black balls at present is
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