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Which of the following has the lease penetrating power? 1 Alpha particles 2 Beta particles 3 Gamma rays 4 All have the same penetrating power
3 5097Atoms are composed of 1 Electrons only 2 Protons only 3 Electrons and protons 4 Electrons and nuclei
1 3288The age of most ancient geological formations is estimated by 1 Potassium-argon method 2 Ra-Si method 3 C14method 4 Uranium-lead method
2 9381Which of the following is used as a moderation in nuclear reactor? 1 Ordinary water 2 Radium 3 Thorium 4 Graphite
2 4737Which of the following colors in he visible spectrum has maximum range? 1 Violet 2 Indigo 3 Orange 4 Red
1 5021Who suggested that most of the mass of the atom is located in the nucleus? 1 Thompson 2 Bohr 3 Rutherford 4 None of these
3 13104An atom of an element with mass number 23 and atomic number 11 will have 1 11 neutrons, 12 protons and 11 electrons 2 11 protons, 12 neutrons and 11 electrons 3 11 neutrons, 11 protons and 12 electrons 4 23 protons and 11 electrons
1 5283The location and energy of an electron in an atom can be specified by 1 Atomic mass 2 Atomic number 3 Quantum numbers 4 None of these
1 3649The location and energy of an electron in an atom can be specified by 1 Atomic mass 2 Atomic number 3 Quantum numbers 4 None of these
1 3563Old-written material, which cannot be read easily, can be read by 1 Cosmic rays 2 Ultraviolet rays 3 Infra red rays 4 None of these
1 15478In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces
1 15418Which of the following elements is not-radioactive? 1 Uranium 2 Thorium 3 Plutonium 4 zirconium
ACC,
3 20072Post New General Science Questions
When was the second and third experimental explosion conducted?
NO OF PLANT IN ONGC
What is used in arihant’s atomic reactor?
Who is the oldest cosmonaut?
When and where was the tata institute of fundamental research founded?
How long can arihant stay underwater?
What is the work of a patent engineer? Does the experience in working as patent engineer helps in finding a job in a refinery?
Who is the second female cosmonaut?
What is a nuclear triad?
first aid to person affected with electrical shock
How many naval staffs can occupy arihant?
In which year the solar observatory in kodikanal founded?
A team of u.n scientists visited thumba?
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.
In which year, physical laboratory in ahmedabad was founded?
