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Which among the following is a positively charged particle emitted by a radioactive element? 1 Alpha ray 2 Beta ray 3 Gamma ray 4 Cathode ray
2 10686Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-239
8 25490Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
4 19662The difference between a nuclear reactor and an atom bomb is that 1 No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction 2 No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor 3 The chain reaction in nuclear reactor is controlled 4 None of these
1 4887What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 8500A-9800A
1 5353Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium
1 4575In an atomic explosion, enormous energy is released which is due to the 1 Conversion of neutrons into protons 2 Conversion of chemical energy into nuclear energy 3 Conversion of mass into energy 4 None of these
2 14558Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays
3 8973Atoms of an element differ from those of all other elements in 1 Atomic number and electronic configuration 2 Atomic number and number of valence electrons 3 Number of neutrons and electronic configuration 4 None of these
2 6031Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these
2 14685The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these
1 7425Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead
3 13138Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these
ECAT, Group 4 iv, Qnet, UPSC,
4 42284Post New General Science Questions
whate is the difference b/w aflatoxions&ocharatoxions
Dear Sir I have got through cable size calculation 10 sq mm cable size of one panel, how i be sure that used cable is 10sqmm. a) By measuring each strand of cpper & multilpy by pye and so on...... or By measuring any one cable core with insulation only.
What are nebulae?
In which year the solar observatory in kodikanal founded?
Which is the regulatory authority of atomic energy in india?
Write about recreational function of Science
Describe the evolution of science and its impact on society
Why we use nhexane inplace of hexane in mobilepase preparation
What is meant by Incidental Correlation?
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?
Why we use nhexane inplace of hexane in mobilepase preparation
How many astronauts travelled in the challenger?
Which is the largest comet?
When was the first american rocket launched?
What is a nuclear triad?
