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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 10926Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-239
8 25924Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
4 19946The 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 5024What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 8500A-9800A
1 5529Which 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 4725In 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 14758Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays
3 9212Atoms 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 6221Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these
2 14870The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these
1 7550Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead
3 13369Atom 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 42545Post New General Science Questions
Who invented telescope?
On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.
Which is india’s largest nuclear research reactor?
Which is the most famous comet?
Where did the largest reflector telescope situated?
how is rrb model question paper for science junior engineer gr.II
Write about recreational function of Science
A man is travelling with the speed of 10m/min across the river to the opposite bank.The river water flows at the speed of 1m/s.Since the water flows at the speed higher than the boatsman, he would definitley reach the opposite river bank in a slant path.What is the length of the path he travelled?. The river is 10m wide. Please give me solution to tha above probelm. Thanks in advance
Which are the research centres of department of atomic energy?
Which is the research reactors of bhabha atomic research centre?
what are the advantages and disadvantages of empirical knowledge?
Why is ice wrapped in gunny sacks to prevent it from melting
Which of the following metals is a better conductor of electricity? A. Silver B. Copper
171.116.0.0 VLSM require 112 ip addresses answer = 128/23 255.255.254.0 rang 2 network address 172.116.0.0 gateway 172.116.1.0 broadcast 172.116.127.0
Science is both a process and product-Substantiate
