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The age of most ancient geological formations is estimated by 1 Potassium-argon method 2 Ra-Si method 3 C14method 4 Uranium-lead method
2 9509Which of the following is used as a moderation in nuclear reactor? 1 Ordinary water 2 Radium 3 Thorium 4 Graphite
2 4867Which of the following colors in he visible spectrum has maximum range? 1 Violet 2 Indigo 3 Orange 4 Red
1 5092Who 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 13267An 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 5389The 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 3747The 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 3655Old-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 15629In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces
1 15505Which of the following elements is not-radioactive? 1 Uranium 2 Thorium 3 Plutonium 4 zirconium
ACC,
3 20236A moderator is used in nuclear reactors in order to 1 Increase the number of neutrons 2 Decrease the number of neutrons 3 Slow down the speed of neutrons 4 Accelerate the neutrons
1 3327According to Dalton’s atomic theory, the smallest particle which can exist independently is 1 An atom 2 A molecule 3 A cation 4 An anion
1 8259
Physics short answer to two significant figures, what is the index of refraction of air?
4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions
I have an interview of post of lecturer in Zoology( entomology)department,please guide me about interview questions.
What are homologous chromosomes? Which are the human cells that do not have homologous chromosomes?
What do you mean by Dysrhythmia?
Write the equation of photosynthesis?
How do you approach designing equipment that is cost-effective for small-scale farmers while still being efficient and reliable?
What is impacted teeth?
What is cell-mediated immune response?
what is difference b/w scr &rectifier&mechanism of triac experiment
Is benzene aromatic?
Name a sulphur containing amino acid.
What are the conditions when gram positive bacteria can appear gram negative?
What are the 8 steps that are involved in genetic engineering?
What is the constitution of proteins?
