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which country awards Nobel prize? 
  • a)
    USA
  • b)
    Sweden
  • c)
    Russia
  • d)
    Israel 
Correct answer is option 'B'. Can you explain this answer?

Raza Great answered  •  2 days ago
The Nobel Prize Award Ceremony is held in the Stockholm Concert Hall, where the King of Sweden presents each laureate with a Nobel Prize medal and a Nobel Prize diploma. A televised banquet is then held at Stockholm City Hall. On the same day, the Nobel Peace Prize is awarded in Oslo, Norway

Which of the following is absolute zero temperature? 
  • a)
    100 Celsius 
  • b)
    -273 Celsius 
  • c)
    300 Celsius 
  • d)
    198 Celsius 
Correct answer is option 'B'. Can you explain this answer?

YATISHA SHARMA answered  •  1 week ago
Absolute zero is the lowest temperature possible. At a temperature of absolute zero there is no motion and no heat. Absolute zero occurs at a temperature of 0 degrees Kelvin, or -273.15 degrees Celsius, or at -460 degrees Fahrenheit.

​Radio waves travel in?
  • a)
    Mesosphere
  • b)
    Ionosphere
  • c)
    Stratosphere 
  • d)
    Exosphere
Correct answer is option 'B'. Can you explain this answer?

KANTA DEVI answered  •  2 weeks ago
The ionosphere is the ionized part of Earth's upper atmosphere, from about 60 km (37 mi) to 1,000 km (620 mi) altitude, a region that includes the thermosphere and parts of the mesosphere and exosphere.
The ionosphere is ionized by solar radiation. It plays an important role in atmospheric electricity and forms the inner edge of the magnetosphere. It has practical importance because, among other functions, it influences radio propagation to distant places on the Earth.

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