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vanya's version from 2019-03-20 13:56


Nuclear Power Station Location Units Capacity

Question Answer Column 3
1 Tarapur Maharashtra 4 1400 MWe
2 Kalpakkam Tamil Nadu 2 440 MWe
3 Rawatbhata Kota, Rajasthan 6 1180 MWe
4 Narora Uttar Pradesh 2 440 MWe
5 Kaiga Karnataka 4 880 MWe
6 Kakrapar Gujarat 2 440 MWe
7 Kudankulam Tamil Nadu 2* 2000 MWe
Of the 7 Atomic Power Stations Tarapur is the oldest and the biggest. Only Tarapur has 2 Boiling Water Reactors, all others have Pressurised Heavy Water Reactors


# Place State
Question Answer
1. Gorakhpur Haryana
2. Chutka Madhya Pradesh
3. Mahi Banswara Rajashtan
4. Bhimpur Madhya Pradesh
5. Jaitapur Maharashtra
6. Kovvada Andhra Pradesh
7. Chhaya Mithi Virdi Gujarat
8. Haripur West Bengal


Heavy Water Plants in India
# Heavy Water Plant State
Question Answer
1. Heavy Water Plant, Baroda Gujarat
2. Heavy Water Plant, Hazira Gujarat
3. Heavy Water Plant, Kota Rajashtan
4. Heavy Water Plant, Manuguru Andhra Pradesh
5. Heavy Water Plant, Talcher Odisha
6. Heavy Water Plant, Thal Maharashtra
7. Heavy Water Plant, Tuticorin Tamilnadu
Institutions under the Department of Atomic Energy
# Institution Location
Question Answer
1. Tata Institute of Fundamental Research (TIFR) Mumbai
2. Tata Memorial Centre (TMC) Mumbai
3. Saha Institute of Nuclear Physics (SINP) Kolkata
4. Institute of Physics (IoP) Bhubaneswar
5. Institute of Mathematical Sciences (IMSc) Chennai
6. Harish Chandra Research Institute (HRI) Allahabad
7. Institute for Plasma Research (IPR) Gandhinagar
8. National Institute of Science, Education and Research (NISER) Bhubaneswar
9. Atomic Energy Education Society (AEES) Mumbai

Weather Instruments

Instrument Used for
Question Answer
Minimum and Maximum Thermometer Recording the minimum and maximum temperature of a place over a period of time
Rain Gauge (Udometer) Measuring the rain
Anemometer Measuring the wind speed
Barometer Measuring the atmosphereic pressure
Wind Vane Finding the direction of the wind.
Hygrometer Measuring the humidity.

Climatic Lines

Line Importance
Question Answer
Isobars They are lines on a map connecting places of equal atmospheric pressure.
Isotherms They are lines on a map connecting places of equal temperature.
Isohyets They are lines on a map connecting places of equal amount of rainfall over a period of time.
Isohels They are lines on a map connecting places of same mean daily duration of sunshine.
Isonephs They are lines on a map connecting places of same mean value of cloud cover.
Isohaline They are lines on a ocean map connecting places of equal salinity.
Isohume They are lines on a map connecting places of equal relative humidity.

Facts to remember

Question Answer
The age of earth has been estimated to be around 4.54 billion years.
Equatorial circumference of the earth is 40,067 km and equatorial diameter is 12,757 km
Polar circumference of the earth is 40,000 km polar diameter is 12,714 km
The total surface area of the earth is 510,100,500 sq km
The Hydrosphere (sea) comprises 70.8% of the surface area and Lithosphere (land) is 29.2%
The percentage of fresh water on earth is 3% while 97% of hydrosphere is salty water.
The earth is made up of three layers – crust (outermost), mantle and core (innermost).
The period of rotation of the earth is 23 hrs 56 mts 4.091 secs
The speed of rotation at the equator is 1674 kmph
The time taken by the earth to rotate about its axis so that the distant stars appear in the same position in the sky is known as Sidereal Day.
The time taken by the earth to rotate about its axis so that the sun appears in the same position in the sky is known as Solar Day. A sidereal day is shorter than a solar day.
The escape velocity on earth 11.186 km/sec
The highest point on earth is Mt Everest at 8,848 meters
The deepest point on earth is Challenger Deep in the Pacific Ocean at 11,034 meters

Important International Lines

Line Countries divided
Question Answer
Radcliffe Line India and Pakistan
Macmahan Line India and China
Durand Line Pakistan and Afghanistan
Maginot Line France and Germany
38th Parallel North and South Korea
17th Parallel North and South Vietnam
49th Parallel USA and Canada


Longitude Position Countries through which it passes
Question Answer
Prime Meridian 0° longitude UK, France, Spain, Algeria, Mali, Burkina Faso, Tongo and Ghana
International Date Line 180° E/W longitude Mid-Pacific Ocean
States in India through which Tropic of Cancer and 82.5° longitude passes
Tropic of Cancer 23° 26' N Rajasthan, Gujarat, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura and Mizoram
Indian Standard Time 82.5° E Uttar Pradesh, Madhya Pradesh, Chhattisgarh, Odisha and Andhra Pradesh


Question Answer
The Terrestrial planets – Mercury, Venus, Earth and Mars
The Jovian planets – Jupiter, Saturn, Uranus, Neptune
The Dwarf planets – Ceres, Pluto, Haumea, Makemake and Eris
Ceres lies in the asteroid belt, Pluto, Haumea and Makemake lie in the Kuiper belt and Eris lies beyond the Kuiper belt.
The brightest planet as seen from Earth – Venus
The planet also known as Earth’s twin – Venus
The planet, which rotates in a direction opposite to that of others – Venus
The planet, which has prominent rings around it – Saturn
Planets which have no satellites – Mercury & Venus
The planet with the longest day – Venus (243 earth-days)
The planet with the shortest day – Jupiter (9 hrs 55 mts)
The planet also known as Evening/Morning star – Venus
The star nearest to the earth – Proxima Centauri
The hottest planet in the solar system – Venus (Maximum temp: 462° C)
The coldest planet in the solar system – Uranus (Effective temp: - 216° C)
The planet with the highest density in the solar system – Earth
The planet with the lowest density in the solar system – Saturn
The largest satellite in the solar system – Ganymede (Satellite of the Jupiter)
The planet also known as the Red Planet – Mars
The highest known mountain in the solar system – Olympus Mons on Mars
The planet whose density is less than that of water – Saturn
The planet with highest surface gravity (meter per square second) is – Jupiter (24.92)
The planet with lowest surface gravity (meter per square second) is – Mercury (3.7)
The space between Mars and Jupiter consisting of millions of asteroids is knowns as the – asteroid belt
The largest asteriod also known as a dwarf planet – Ceres
The disc-shaped region of icy bodies and comets beyond the orbit of Neptune is known as – Kuiper belt
Halley's comet last appeared in 1986 and is expected to appear next in – 2061
The galaxy nearest to the milky way – Andromeda


Planets - Rotation & Revolution Periods

Planet Rotation Period Revolution Period

Question Answer
Mercury 58.65 Earth Days 87.97 Earth Days
Venus 243 Earth Days 224.7 Earth Days
Earth 23.93 Earth Hours 365.26 Earth Days
Mars 24.62 Earth Hours 686.93 Earth Days
Jupiter 9.8 Earth Hours 11.86 Earth Years
Saturn 10.2 Earth Hours 29.46 Earth Years
Uranus 17.9 Earth Hours 83.75 Earth Years
Neptune 19.1 Earth hours 163.72 Earth Years