Class 9 General Science Chapter 11 Question Answer

Complete Notes of Class 9 General Science Chapter 11 Question Answer Space and Nuclear Programme of Pakistan Notes in 9th Class General Science Urdu Medium by Sir Usman Lateef Suib. These computerized notes are very helpful in the preparation of the Space and Nuclear Programme of Pakistan Notes for students of the Class 9 General Science Chapter 11 Question Answer these are according to the new paper patterns of all Punjab boards.

• Important Multiple Choice Questions (MCQs) and Short Questions of Chapter No.11: Space and Nuclear Programme of Pakistan in General Science 9th class Urdu Medium.
• Importance of Space Programme
• Communication and Weather Satellites
• Space Programme of Pakistan
• Nuclear Power Programme of Pakistan
• Importance of Space Programme: Travelling in space, sometimes it had been a dream of man, which has now become a reality. Space travel became possible due to the invention of rocket. In rocket, fuel is burnt with the help of liquid oxygen and the gases produced by it are expelled from its back with very high speed and in reaction rocket moves ahead.
• In October 4, 1957 Russia launched its first artificial satellite Sputnik-1 into space through rocket, that started space era. Since then thousands of spacecrafts have been launched into space. Most of them are revolving around the Earth. These have wonderfully changed the ideas of man relating to the Earth and universe.
• Several space probes have also been launched into space, which have helped us in getting information about astronomical objects of the solar system. These probes have been sent to all other planets of the solar system including the moon and Halley Comet except Pluto. Several useful information have been collected from them.
• America in 1973 also launched its first space station Skylab-1 into space. With the help of these space stations, the natural resources hidden in the Earth and planets of the solar system have been studied. In 1979, Skylab due to some fault entered back into the atmosphere and broke into pieces.
• In 1986, Russia launched space station Mir into space that has been used for space research for several years. On April 24, 1990 Hubble space telescope was launched into space with the help of space shuttle discovery. The size of its mirror is 2.5 metre and its weight is 11 tonnes. Space shuttle is a form of a space craft. It can be fired into space upto the height of 300 kilometres with the help of rocket within 15 minutes. It can stay in space only for few days. Its weight is usually 2000 tonnes with full fuel. With the help of it, artificial satellites and space probes can be carried into space. In, space shuttle launching into space by rocket has been shown.
• The day of 20 th July 1969 will always be remembered in the history of mankind. On that day, two American astronauts namely Neil Armstrong and Edwin Aldrine landed on the moon by Apallo 11. They collected the samples of soil and rocks from the moon and made their analysis which provided us many new information about the moon. More big projects are in the future plan of the man including landing on the Mars.
• Space Programme of Pakistan: A branch of science in which the weather is studied for a short time by factors like rain. sunshine, temperature and air pressure is called meteorology whereas the branch which. studies the climate for a long time is called climatology.
• For the scientific development of any country, information collected by space research are proved to be very beneficial. The majority of the countries of the world, for getting benefit from this research, have launched their own space programmes. The national space agency of Pakistan realizing this need, in collaboration with Pakistan Atomic Energy Commission established an institute namely SUPARCO in 1961, which is an abbreviation of Space and Upper Atmosphere Research.