Description : How is nuclear energy or atomic energy produced? -SST 10th
Last Answer : .Nuclear energy is obtained by altering the structure of an atom. .When such an alteration is made, much energy is released in the form of heat and this is used to generate electricity. .Uranium ... used for generating atomic or nuclear power. The Monazite sands of Kerala is also rich in thorium.
Description : Name any four nuclear or atomic power stations in India. -SST 10th
Last Answer : (i) Rawat Bhata in Rajasthan (ii) Naraura in Uttar Pradesh (iii) Kaiga in Karnataka (iv) Kalpakkam in Tamil Nadu
Description : Who is the proponent of atomic nuclear theory ?
Last Answer : Radar Ford, proponent of atomic nuclear theory.
Last Answer : Ernest Rutherford provided the atomic nuclear theory.
Description : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_((A))` and `U_((Z))` are nuclear isomer
Last Answer : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_ ... both (A) and (R ) are incorrect.
Description : Just as large distances are measured in AU, parsec or light year, atomic or nuclear distances are measured with the help of microscopic units.
Last Answer : Just as large distances are measured in AU, parsec or light year, atomic or nuclear distances are measured with the help ... b. 10-10 m c. 10-12 m
Description : Will NORAD survive today’s nuclear and atomic weapons?
Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want
Description : What is nuclear fusion (atomic fusion reaction)?
Last Answer : A reaction, as in fission, fusion, or radioactive decay, that alters the energy, composition, or structure of an atomic nucleus.
Description : Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the ... (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.
Last Answer : Ans:(d)
Description : The Montreal Protocol 1987 refers to – (1) saving the Bio-diversity of our planet (2) signing of an accord on the peaceful uses of atomic energy (3) signing of an accord on keeping the antarctica as a nuclear free zone (4) saving the ozone layer from destruction by reducting the use of CFCs
Last Answer : (4) saving the ozone layer from destruction by reducting the use of CFCs Explanation: The Montreal Protocol on Substances that Deplete the Ozone Layer (a protocol to the Vienna Convention for the ... entered into force on January 1, 1989, followed by a first meeting in Helsinki. May 1989.
Description : In an atomic explosion enormous energy is released which is due to the - (1) Conversions of neutrons into protons (2) Conversion of chemical energy into nuclear energy (3) Conversion of mechanical energy into nuclear energy (4) Conversion of mass into energy
Last Answer : (4) Conversion of mass into energy
Description : The enormous amount of energy released in an explosion of an atomic bomb is due to the - (1) conversion of mass into energy (2) conversion of chemical energy into heat energy (3) conversion of mechnical energy into nuclear energy (4) conversion of neutrons into protons
Last Answer : (4) conversion of neutrons into protons Explanation: The enormous amount of energy released in an explosion of an atomic bomb is due to the converson of neutrons into protons. When, a neutron strikes ... , each of which is a nucleus with about half the protons and neutrons of the original nucleus.
Description : Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has – (1) high bond dissociation energy (2) smaller atomic radius (3) stable half filled 2p sub level (4) high nuclear charge
Last Answer : (3) stable half filled 2p sub level Explanation: Ionization energy is a measure of the ease in which atoms lose electrons and become positive ions.
Description : Atomic explosion is triggered by - (1) thermo nuclear reaction (2) chemical reaction (3) controlled chain reaction (4) uncontrolled chain reaction
Last Answer : (4) uncontrolled chain reaction Explanation: During an uncontrolled nuclear chain reaction such as atomic explosion, a radioactive substance gives off energy at a rate that increases rapidly with time, ... its neighbors, in turn setting off other atoms; thus, producing large amounts of energy.
Description : An atomic pile is used for – (1) producing X-rays (2) conducting nuclear fission (3) coducting thermonuclear fusion (4) accelerating atoms
Last Answer : (2) conducting nuclear fission Explanation: An atomic pile is a nuclear reactor that uses controlled nuclear fission to generate energy. The most common reactor consists of a large assembly of graphite (an allotropic form of carbon) blocks having rods of uranium metal (fuel).
Description : In nuclear reactor, heavy water is used as – (1) coolant (2) fuel (3) moderator (4) atomic smasher
Last Answer : (3) moderator Explanation: Heavy water is used in certain types of nuclear reactors where it acts as a neutron moderator to slow down neutrons so that they are more likely to react with ... do not require uranium enrichment, heavy water reactors are of concern in regards to nuclear proliferation.
Description : The ratio of atomic radius to its nuclear radius is about (A) 10 5 (B) 10 8 (C) 10 12 (D) 10 15
Last Answer : (A) 10
Description : Bhabha Atomic Research Centre (BARC) located at Trombay (near Bombay, INDIA) has (A) Five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva) (B) A 420 MW nuclear power plant (C) A very large capacity (100 tons/yr) heavy water plant (D) All (A), (B) and (C)
Last Answer : (A) Five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva)
Description : In nuclear reactions, __________ number is conserved. (A) Mass (B) Atomic (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : One of the following countries produces maximum energy from atomic reactors? A. France (80% from its Nuclear Reactors) B. USA C. UK
Last Answer : A. France (80% from its Nuclear Reactors)
Description : What refers to the strong repulsion between the positively charged nuclei which makes fusion reaction difficult to attain? A. Atomic repulsion B. Nuclear repulsion C. Coulomb repulsion D. Charge repulsion
Last Answer : Coulomb repulsion
Description : The form of the fuel in U.S. commercial nuclear power plants is which of the following: w) uranium oxide ceramic pellets x) atomic vapor y) uranium metal tubes z) uranium solution in water
Last Answer : ANSWER: W -- URANIUM OXIDE CERAMIC PELLETS
Description : As one goes across a period in the periodic table, the ionization energy generally increases for one of the following reasons. Is it because of the increasing w) atomic radius x) melting point y) nuclear charge z) density
Last Answer : ANSWER: Y -- NUCLEAR CHARGE
Description : Atomic explosion is triggered by (1) thermo nuclear reaction (2) chemical reaction (3) controlled chain reaction (4) uncontrolled chain reaction
Last Answer : uncontrolled chain reaction
Description : Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has (1) high bond dissociation energy (2) smaller atomic radius (3) stable half filled 2p sub level (4) high nuclear charge
Last Answer : stable half filled 2p sub level
Description : An atomic pile is used for (1) producing X-rays (2) conducting nuclear fission (3) coducting thermonuclear fusion (4) accelerating atoms
Last Answer : conducting nuclear fission
Description : In nuclear reactor, heavy water is used as (1) coolant (2) fuel (3) moderator (4) atomic smasher
Last Answer : moderator