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 ray2 8753
Nuclear fission is caused by the impact of 1 Proton 2 Electron 3 Neutron 4 None of these4 15882
Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-2398 20316
Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays4 15508
The 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 these1 3642
What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 8500A-9800A1 3789
Which 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 Plutonium1 3050
In 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 these2 12540
Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays3 6555
Atoms 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 these2 4025
Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these2 12575
The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these1 6048
Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead3 10317
Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these4 39083
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
Who is the second female cosmonaut?
Name any two modern branches of Physical Science
What is super nova?
Which is the first atomic submarine of india?
Who invented telescope?
what the defference from anti virus and spyware and adware also? Please descript?
Explain the Aesthetic and Moral values of Science
Which is the research reactors of bhabha atomic research centre?
Who is the oldest cosmonaut?
if appointed at aryabhatt school for how long should we expect you work with us
whate is the difference b/w aflatoxions&ocharatoxions
what is center of gravity?
In which year, atmospheric observations using balloons started?
The year in which magnetic observations were started in mumbai and thiruvananthapuram?