Friday, July 2, 2010

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Q 1: ............................observed that a photographic plate blackened, when placed near double sulphate of potassium and uranium.
Madam Curie
Henry Becquerel
JJ Thompson




Q 2:...........................discovered Actinium
Becquerel
Debernie
Curie





Q 3:......................discovered Thorium
Dalton
Becquerel
Curie





Q 4:Rays which are deflected towards the negative plate are called as.........................
beta
alpha
gamma





Q 5:Carbon Dating is used to find the age of earth and old civilizations in archaeology. This method is developed by ...............
Curie
Libby
Murphy





Q 6: The half - life of C14 is.................
4730
6730
5730





Q 7:Radiation is used to determine the composition of materials in a process called neutron activation analysis. In this process, scientists bombard a sample of a substance with particles called.....................
protons
neutrons
electrons





Q 8:Radioactivity is exhibited by elements of high atomic weight (Z > ?) where nuclei are unstable and break up of their own accord into simpler elements giving out radiation.
72
82
92





Q 9:The ................ symbol is used to indicate radioactive material.
asterisk
arret
trefoil





Q 10:Name the type of decay in which nucleus emits a specific type of smaller nucleus (A1, Z1) smaller than, or larger than, an alpha particle
Electron capture
Cluster decay
Alpha decay




Q 11:Half time is ?
the time taken for the activity of a given amount of a radioactive substance to decay to half of its initial value.
the average lifetime of a radioactive particle.
the inverse of the mean lifetime.




Q 12: Curie (Ci) = .........× 1010 disintegrations per second.
4.7
3.7
2.7





Q 13:Department of Atomic Energy (DAE) came into being with ..................... as its secretary in 1954
J.C. Bose
Vikram Sarabhai
Homi Bhabha





Q 14:Marie Curie and Pierre Curie discovered .................. in Pitchblende.
radium
thorium
uranium





Q 15:Uranium Corporation of India Limited was incorporated on 4th October 1967. Uranium Corporation of India Limited is a Public Sector Enterprise under the..........................................
DRDO
DAE
Ministry of Science and Technology



Q 16:............Mine has the distinction of being the first Uranium Mine of the country where mining operations began in 1967.
Narwapahar
Domiasiat
Jadugoda




Q 17:In India's second stage of nuclear power generation ...............serves as the main fissile element in the FBR
Pu-239
232Th
238U




Q 18:India's first pressurized water reactor (PHWR) were built at?
Kalpakkam near Chnennai
Rawatbhata near Kota
Tarapur




Q 19:India's first 40 MWt Fast Breeder Test Reactor (FBTR) attained criticality on 18th October 1985.India becomes the .... nation having the technology to built and operate a FBTR.
5th
7th
6th




Q 20:The first heavy water plant was set up in India at ........ in 1962.
Nangal
Kota
Tuticoran


Q 21:The Nuclear Fuel Complex (NFC) was established in .............. in the early 70s.
Hyderabad
Mumbai
Chennai



Q 22:The back end of the nuclear fuel cycle is a strategically important activity due to its significance both in terms of the sensitivity as well as safety. Fuel reprocessing technology was developed and standardized entirely by in house R&D efforts. Three reprocessing plants one at Trombay, second at Tarapur and recently the third one cold commissioned at ................ to extract Plutonium from spent fuel.

Narora
Kalpakkam
Kota




Q 23:DHRUVA Reactor at ........ was designed, constructed and commissioned by Indian Engineers and scientists. Natural U is the fuel used and heavy water as moderator and coolant, Dhruva enabled India to attain self sufficiency in the production of radioisotopes
VECC
IGCAR
BARC




Q 24:Kamini, a 30 kWt reactor at the Indira Gandhi Centre for Atomic Research at .................., achieved criticality in October 1996 for providing neutron radiography facilities and is a small but significant step towards utilisation of our vast thorium reserves. It is the only operating reactor in the world using U233 fuel.
Kalpakkam
Narora
Kota




Q 25:Raja Ramanna Centre for Advanced Technology was established by the Department of Atomic Energy, India to expand the activities carried out at Bhabha Atomic Research Centre (BARC), Mumbai, in two frontline areas of science and technology namely Lasers and Accelerators. Where is it?
Jaipur
Indore
Kota

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