The process of generating radioactive isotopes during nuclear reaction is called

The process of generating radioactive isotopes during nuclear reaction is called
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1 Answer

Answer :

artificial

radioactivity.
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Artificially produced radioactive isotopes are used for (A) Power generation (B) Treatment of certain diseases (C) Initiating nuclear fission and fusion (D) All (A), (B) and (C)

Description : Artificially produced radioactive isotopes are used for (A) Power generation (B) Treatment of certain diseases (C) Initiating nuclear fission and fusion (D) All (A), (B) and (C)

Last Answer : (B) Treatment of certain diseases

Define process of nuclear fission. Writ the steps involved in generating electricity in a nuclear reactor. -Science

Description : Define process of nuclear fission. Writ the steps involved in generating electricity in a nuclear reactor. -Science

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A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The

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Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive ?

Description : Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive ?

Last Answer : Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive?

If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be _____. A. Radioactive B. Stable C. Isotopes D. Isobars

Description : If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be _____. A. Radioactive B. Stable C. Isotopes D. Isobars

Last Answer : ANSWER: A

Which of the following commonly used radioactive isotopes has the longest half life? a) Iridium 192 b) Cobalt 60 c) Thulium 170 d) Ytterbium 169

Description : Which of the following commonly used radioactive isotopes has the longest half life? a) Iridium 192 b) Cobalt 60 c) Thulium 170 d) Ytterbium 169

Last Answer : b) Cobalt 60

Carbon-14 dating is based on the decay of 14C to 14N. What type of radioactive decay is associated with this nuclear reaction?

Description : Carbon-14 dating is based on the decay of 14C to 14N. What type of radioactive decay is associated with this nuclear reaction? 

Last Answer : ANSWER: b-RAY or b DECAY or ELECTRON EMISSION

What the major problems associated with generating electricity using nuclear power plants?

Description : What the major problems associated with generating electricity using nuclear power plants?

Last Answer : Need answer

The monazite sands on the Kerala coasts, used for generating nuclear energy contain – (1) platinum (2) copper (3) uranium (4) bauxite

Description : The monazite sands on the Kerala coasts, used for generating nuclear energy contain – (1) platinum (2) copper (3) uranium (4) bauxite

Last Answer : (3) uranium Explanation: Monazite sands contain uranium.

What are the major losses in nuclear power generating system?

Description : What are the major losses in nuclear power generating system? 

Last Answer : Condenser - 500 MW. Moderator - 40 MW. C/V and E/S system - 3.7 MW. 

calculate the energy released in the nuclear fusion of isotopes of hydrogen (i) `._(1)^(2)H + ._(1)^(2)H rarr ._(2)^(3)He + ._(0)^(1)n` (ii) `._(1)^(2

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Isotopes of an element have different (A) Mass number (B) Electronic configuration (C) Nuclear charge (D) Chemical properties

Description : Isotopes of an element have different (A) Mass number (B) Electronic configuration (C) Nuclear charge (D) Chemical properties

Last Answer : (A) Mass number

__________ have the same mass number, but different nuclear charge. (A) Isotopes(B) Isobars(C) Isotones(D) None of these

Description : __________ have the same mass number, but different nuclear charge. (A) Isotopes (B) Isobars (C) Isotones (D) None of these

Last Answer : (B) Isobars

Isotopes of an element have different (A) Mass number (B) Electronic configuration (C) Nuclear charge (D) Chemical properties

Description : Isotopes of an element have different (A) Mass number (B) Electronic configuration (C) Nuclear charge (D) Chemical properties

Last Answer : (A) Mass number

Most of the new atoms formed when atoms in a nuclear reactor capture neutrons without fissioning are: w) fission products x) activation products y) actinides z) lead isotopes

Description : Most of the new atoms formed when atoms in a nuclear reactor capture neutrons without fissioning are: w) fission products x) activation products y) actinides z) lead isotopes

Last Answer : ANSWER: Y -- ACTINIDES

The neutrons in an atom: w) are part of the nuclear charge x) rotate about the nucleus in elliptical orbits y) vary in number with different isotopes z) are always equal in number to the total number of protons

Description : The neutrons in an atom: w) are part of the nuclear charge x) rotate about the nucleus in elliptical orbits y) vary in number with different isotopes z) are always equal in number to the total number of protons

Last Answer : ANSWER: Y -- VARY IN NUMBER WITH DIFFERENT ISOTOPES 

When natural uranium is mined, it contains three isotopes. Which TWO are important in the production of nuclear power?

Description : When natural uranium is mined, it contains three isotopes. Which TWO are important in the production of nuclear power? 

Last Answer : ANSWER: URANIUM-235 AND URANIUM-238

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Description : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// ... `tau = (t_(1//2))/(0.693)`

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Description : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process ... on the amount of element not yet decayed

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Description : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1 ... B. 53 yrs C. 530 yrs D. 5300 yrs

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

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Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay ... exponentially C. parabolically D. all of these

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Description : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay ... lambda` depend on the nature of radioactive element

Which of the following accounts for the maximum energy release in the nuclear fission process? (A) Kinetic energy of fission products (B) Radioactive decay of fission products (C) Instantaneous release of γ-rays (D) Kinetic energy of neutrons

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Last Answer : (A) Kinetic energy of fission products

The half - life of a radioactive substance depends upon (a) Its temperature (b) The external pressure (c) The mass of the substance (d) The strength of the nuclear force between the nucleons its atoms

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Last Answer : Ans:(d)

The radioactive pollution may result from: 1. medical waste 2. coal ash 3. production of nuclear arsenal 4. mining of uranium 5. decommissioning of nuclear weapons The correct causes are: (a) 1, 3 and 4 only (b) 1, 3, 4 and 5 only (c) 2, 3, 4 and 5 only (d) 1, 2, 3, 4 and 5

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Last Answer : Ans:(b)

The metal cover used in the walls of nuclear reactor to prevent radioactive radiations being released to the environment is

Description : The metal cover used in the walls of nuclear reactor to prevent radioactive radiations being released to the environment is

Last Answer : lead.

How can nuclear wastes/ radioactive wastes disposed?

Description : How can nuclear wastes/ radioactive wastes disposed?

Last Answer : Radioactive matter is impregnated in glass slab and disposed in the deep sea in strong steel containers so that radiation cannot reach the level of biosphere.

Radioactive isotope of Uranium used in Nuclear Bomb is ? A.92 U 235 (Answer) B.92 U 234 C. 92 U 233 D. 92 U 238

Description : Radioactive isotope of Uranium used in Nuclear Bomb is ? A.92 U 235 (Answer) B.92 U 234 C. 92 U 233 D. 92 U 238

Last Answer : A.92 U 235 (Answer)

Explain a radioactive nuclear phenomenon ?

Description : Explain a radioactive nuclear phenomenon ?

Last Answer : Radioactivity is a nuclear phenomenon. 72. The elements after the atomic number of the periodic table have very large number of orbits , electrons and protons, so they behave unstable. ... radioactive rays are emitted from the nuclei of radioactive elements , radioactivity is a nuclear phenomenon.

(A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_((A))` and `U_((Z))` are nuclear isomer

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.

How do radioactive materials produce nuclear energy?

Description : How do radioactive materials produce nuclear energy?

Last Answer : Radioactive materials have atomic nuclei that are unstable.These nuclei will eventually break apart. When an atomic nucleusbreaks apart, particle(s) and/or electromagnetic energy will bereleased. The particle ... that decaying atom. That is why we call the energyof radioactive decay nuclear energy.

Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

Description : Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

Last Answer : (1) Bacteria Explanation: Biodegradable waste includes any organic matter in waste which can be broken down into carbon dioxide, water, methane or simple organic molecules by micro-organisms such as ... or a resource for heat, electricity and fuel by means of incineration or anaerobic digestion.

Biodegradable wastes can usually be converted into useful substances with the help of - (1) bacteria (2) nuclear proteins (3) radioactive substances (4) viruses

Description : Biodegradable wastes can usually be converted into useful substances with the help of - (1) bacteria (2) nuclear proteins (3) radioactive substances (4) viruses

Last Answer : (1) bacteria Explanation: Biodegradable waste is a type of waste, typically originating from plant or animal sources, which may be degraded by other living organisms.

Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

Description : Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

Last Answer : (1) Bacteria Explanation: Bacteria are the most abundant organisms which play important role in the decomposition of organic matter. Majority of bacteria involved in decomposition of organic ... and autotrophs are least in proportion which are not directly involved in organic matter decomposition.

Radioactive decay is a __________ change. (A) Chemical (B) Nuclear

Description : Radioactive decay is a __________ change. (A) Chemical (B) Nuclear

Last Answer : (B) Nuclear

The phenomenon of nuclear fission is opposite to that of (A) Radioactive decay (B) Thermionic emission (C) Nuclear fusion (D) Combustion

Description : The phenomenon of nuclear fission is opposite to that of (A) Radioactive decay (B) Thermionic emission (C) Nuclear fusion (D) Combustion

Last Answer : (C) Nuclear fusion

Which of the following types of nuclear reactors is most prone to radioactive hazards? (A) Pressurised water reactor (B) Gas cooled reactor (C) Molten sodium cooled reactor (D) Boiling water reactor

Description : Which of the following types of nuclear reactors is most prone to radioactive hazards? (A) Pressurised water reactor (B) Gas cooled reactor (C) Molten sodium cooled reactor (D) Boiling water reactor

Last Answer : (D) Boiling water reactor

Radioactive nuclear waste is treated in (A) Mixer-settler extractor (B) Rotating-disc contactor (C) Pulsed column extractor (D) Bollman extractor

Description : Radioactive nuclear waste is treated in (A) Mixer-settler extractor (B) Rotating-disc contactor (C) Pulsed column extractor (D) Bollman extractor

Last Answer : (C) Pulsed column extractor

__________ extractor is used for the concentration of radioactive nuclear waste. (A) Pulsed column (B) Sieve plate (C) Mixer-settler (D) Bollman

Description : __________ extractor is used for the concentration of radioactive nuclear waste. (A) Pulsed column (B) Sieve plate (C) Mixer-settler (D) Bollman

Last Answer : (A) Pulsed column

Which of the following emits dangerous radioactive wastes forcing the government to eliminate its use? (a) Nuclear energy (b) Water energy (c) Geothermal energy (d) Solar energy

Description : Which of the following emits dangerous radioactive wastes forcing the government to eliminate its use? (a) Nuclear energy (b) Water energy (c) Geothermal energy (d) Solar energy

Last Answer : (a) Nuclear energy

World's worst radioactive pollution was caused by nuclear reactor disaster which occured in (A) Arizona (U.S.A.) (B) Chernobyl (undivided U.S.S.R.) (C) Pennsylvania (U.S.A.) (D) Moscow (U.S.S.R.)

Description : World's worst radioactive pollution was caused by nuclear reactor disaster which occured in (A) Arizona (U.S.A.) (B) Chernobyl (undivided U.S.S.R.) (C) Pennsylvania (U.S.A.) (D) Moscow (U.S.S.R.)

Last Answer : (B) Chernobyl (undivided U.S.S.R.)

Radioactive solid nuclear wastes are disposed off by (A) High temperature incineration (B) Pathological incineration (C) Pyrolysis(D) Underground burial in concrete containers

Description : Radioactive solid nuclear wastes are disposed off by (A) High temperature incineration (B) Pathological incineration (C) Pyrolysis (D) Underground burial in concrete containers

Last Answer : (D) Underground burial in concrete containers

Biodegradable wastes can usually be converted into useful substances with the help of (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

Description : Biodegradable wastes can usually be converted into useful substances with the help of (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

Last Answer : Bacteria

State the types of radioactive waste generated in a nuclear power station. Explain the methods employed for their disposal.

Description : State the types of radioactive waste generated in a nuclear power station. Explain the methods employed for their disposal.

Last Answer : Types of radioactive waste: The waste produced in nuclear power plant is in the form of solid, liquid & gases, 1. Solid Waste Disposal:-  Solid wastes removed from the reactor are very ... are measured. If it is safe then released to atmosphere at high level through large height chimney.

n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In each batch about 120 kgs of material is dried. a. The quantity of moisture removed per batch. b. What is the total quantity ( sensible & latent) of heat required to evaporate the moisture, if the latent heat of water is 540 kcal/kg at atmospheric conditions, Ignore heat absorbed by the solids c. Find the quantity of steam required for the drying process (per batch), if steam at 4 kg/cm2 is used for generating hot air in the dryer and the dryer efficiency is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Description : n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture  is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In  each batch about 120 ... dryer and the dryer efficiency  is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Last Answer : Given that   Qty of material dried per batch - 120 Kgs  Moisture at inlet - 60% a. The quantity of moisture removed per batch.  Water quantity in a wet batch - 120 x 0.6 = 72 Kgs.  Quantity of bone dry ... - 48/0.95 = 50.5 Kgs.  Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.

In the decay process: `A overset(-alpha)(to) B overset(-alpHa)(to) C overset(-beta)(to)C` 1. A and B are isobars 2. A and D are isotopes 3. C and D ar

Description : In the decay process: `A overset(-alpha)(to) B overset(-alpHa)(to) C overset(-beta)(to)C` 1. A and B are isobars 2. A and D are isotopes 3. C and D ar

Last Answer : In the decay process: `A overset(-alpha)(to) B overset(-alpHa)(to) C overset(-beta)(to)C` 1. A and B are ... 2 B. 2 and 3 C. 3 and 4 D. 1 and 4

Separation of __________ employs gaseous diffusion process. (A) N2 and O2 from air (B) Isotopes of uranium (C) Isotopes of helium (D) SO2 and air

Description : Separation of __________ employs gaseous diffusion process. (A) N2 and O2 from air (B) Isotopes of uranium (C) Isotopes of helium (D) SO2 and air

Last Answer : (B) Isotopes of uranium

A nuclide has mass number (A) and atomic number (Z). During a radioactive process if: (A) both A and Z decrease, the process is called `alpha`-decay (

Description : A nuclide has mass number (A) and atomic number (Z). During a radioactive process if: (A) both A and Z decrease, the process is called `alpha`-decay (

Last Answer : A nuclide has mass number (A) and atomic number (Z). During a radioactive process if: (A) both A and Z decrease, ... 4 C. 1,3, and 4 D. 1,2, and 4

The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.

Description : The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.

Last Answer : c. Aerobic Respiration.

Radioactive decay of a material involves a __________ order reaction. (A) Third (B) Second (C) First (D) Zero

Description : Radioactive decay of a material involves a __________ order reaction. (A) Third (B) Second (C) First (D) Zero

Last Answer : (C) First