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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 10812Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-239
8 25762Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
4 19844The 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 4963What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 8500A-9800A
1 5449Which 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 4673In 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 14672Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays
3 9117Atoms 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 6134Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these
2 14778The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these
1 7507Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead
3 13256Atom 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 42438Post New General Science Questions
My friend has done the DMLT(Diploma in Medical Laboratory Technology)Now she wants to do further education.What should she do? Please Guide which would be best for her
Which scientists gave detailed information about nebula?
What is one light hour?
Explain any four values that can be developed through teaching Physical Science
what the defference from anti virus and spyware and adware also? Please descript?
In which year the solar observatory in kodikanal founded?
When did india conduct three under ground nuclear tests?
Which are the two reactors at the indira gandhi centre for atomic research ( igcar )?
What are cosmic rays?
How does a RCCB work? Difference between ELCB & RCCB?
if appointed at aryabhatt school for how long should we expect you work with us
What is one light minute?
Which is the research reactors of bhabha atomic research centre?
Science as a social endeavor .Explain
what are the advantages and disadvantages of rational knowledge?
