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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 10799Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-239
8 25717Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
4 19823The 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 4951What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 8500A-9800A
1 5433Which 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 4647In 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 14657Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays
3 9095Atoms 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 6116Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these
2 14767The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these
1 7495Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead
3 13241Atom 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 42415Post New General Science Questions
Which is india’s primary nuclear facility?
Which comet collided with jupiter?
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
what is center of gravity?
what are advantages of excess populatoin?
is the big bang theory correct, because as I wondered the explosion is too powerful that no one could survive after galaxies were created no life exist on it after the 3.5 billion years life exist so... my question is were is the life came from?
BARC CHIF
Describe the evolution of science and its impact on society
the basic approach to science was established by:
What are quasars?
Science as a social endeavor .Explain
A team of u.n scientists visited thumba?
What are cosmic rays?
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 is range of sagarika?
