Description : The relics of Gautama Buddha are known as ____________
Last Answer : The relics of Gautama Buddha are known as ____________ (a) Stupa (b) Kesa (c) Dhatu (d) Galapotha
Description : Where are the Relics of Buddha preserved?
Last Answer : In Stupa
Description : 1. Where did India play its 1st one day international match? 2. Which is the largest Public Sector Bank in India? 3. If CO2 concentration in the blood increases, what will breathing? 4. If ... Which type of coal represents the first stage of formation of coal? 20. Which Sikh Guru fought Mughals?
Last Answer : Answer : 1. Headingley 2. State Bank of India 3. Increase 4. Frost point 5. In Stupa 6. By the test of reasonableness 7. 6500 k 8. Badminton 9. Zonda 10. Kalidasa 11. 1948 12. Liver 13. 1959 14. Foehn 15. Karpurmanjari 16. Zinc 17. RBI 18. Gonds 19. Peat 20. Guru Gobind Singh
Description : Age of fossils in the past was generally determined by radiocarbon method and other methods involving radioactive elements found in the rocks. More pr
Last Answer : Age of fossils in the past was generally determined by radiocarbon method and other methods ... D. Study of carbohydrates/proteins in fossils
Description : Determining the sample interval (represented by k), randomly selecting a number between 1 and k, and including each kth element in your sample are the steps for which form of sampling? a. Simple Random Sampling b. Stratified Random Sampling c. Systematic Sampling d. Cluster sampling
Last Answer : c. Systematic Sampling
Description : House, Monk, Bones etc.? Which show gets your vote for 2008?
Last Answer : One vote for Dexter.
Description : What element is not one of position management considerations when determining what is need for an organization to accomplish the mission?
Last Answer : FASCLASS search filters
Description : The process of changing of one element into another is called (a) radioactive decay (b) transmutation of the elements (c) covalent bond formation (d) hybridization
Last Answer : Ans:(b)
Description : The Radioactive element present in Pitch Blende?
Last Answer : Uranium
Description : Gaseous Radioactive element?
Last Answer : Radon
Description : Strongest Radioactive element?
Last Answer : Radium
Description : The element extracted from radioactive disintegration of radium?
Description : The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg? A. 4 days B. 12 days C. 16 days D. 8 days (Answer) E. None of these
Last Answer : D. 8 days (Answer)
Description : Which of the element of group 17 is radioactive? -Do You Know?
Last Answer : answer:
Description : From which part of the atom of the radioactive element is the radioactive ray emitted ?
Last Answer : The radioactive ray is emitted from the nucleus of the atom of the radioactive element.
Description : What is the half-life of a radioactive element ?
Last Answer : Half-life is the amount of time during which half of the nucleus of an element is irradiated.
Last Answer : Discover the synthetic radioactive element (Julio Curie)
Description : The activity of a radioactive element reduces to `(1//16)th` of its original value in 30 years. Find its half life?
Last Answer : The activity of a radioactive element reduces to `(1//16)th` of its original value in 30 years. Find its half ... B. 75 trs C. 7.5 day D. 75 month
Description : Initial amount of the radioactive element with half life 10 days is 16 g. What amount in gm of this element will remain after 40 days?
Last Answer : Initial amount of the radioactive element with half life 10 days is 16 g. What amount in gm of this element will remain after 40 days?
Description : In the disintegration of a radioactive element, `alpha` and `beta`-particles are evolved from the nucleus: `._(0)^(1)n to ._(1)^(1)H + ._(-1)^(0)e` +
Last Answer : In the disintegration of a radioactive element, `alpha` and `beta`-particles are evolved from ... of `gamma`-radiations may yield nuclear isomer
Description : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0)
Last Answer : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0 ... C. `2 alpha, 2 beta` D. `n beta`
Last Answer : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the ... C. decreases by 2 unit D. remains unaffected
Last Answer : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0) ... in A. IIA B. IA C. IIB D. IVB
Last Answer : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. ... , beta, beta` D. `beta, gamma, alpha`
Description : Assertion (A) : The average life of a radioactive element is infinity Reason (R ) : As a radioactive element disinegrates, more of it is formed in nat
Last Answer : Assertion (A) : The average life of a radioactive element is infinity Reason (R ) : As a radioactive element ... . If both (A) and (R ) are incorrect.
Description : A radioactive substance (parent) decays to its daughter element . The age of radioactive substance (t) is related to the daughter (d)/parent (p) ratio
Last Answer : A radioactive substance (parent) decays to its daughter element . The age of radioactive substance (t) is related to ... /(lambda) In (2 + (D)/(P))`
Description : A radioactive element is preset in VIII group of the periodic table. If it emits one `alpha`particle, the new position of the nuclide will be
Last Answer : A radioactive element is preset in VIII group of the periodic table. If it emits one `alpha`particle, the new ... . VI B B. VIII C. VIIB D. I B
Description : A radioactive element gets spilled over the floor of a room. Its half life period is 30 days. If its initial activity is ten times the permissible val
Last Answer : A radioactive element gets spilled over the floor of a room. Its half life period is 30 days. If its initial ... B. 1000 days C. 300 days D. 10 days
Description : A radioactive element `X`, decays by the sequence and with half-lives, given below, `X underset(30"min")overset(alpha)(rarr) Y underset(2"days")overse
Last Answer : A radioactive element `X`, decays by the sequence and with half-lives, given below, `X underset(30"min" ... D. The mass number of Y is greater than X
Description : Artifical radioactive element are present in:
Last Answer : Artifical radioactive element are present in: A. s-block B. p-block C. d-block D. f-block
Description : A radioactive element `X` has an atomic number of 100. It decays directly into an element `Y` which decays directly into an element `Z`. In both the p
Last Answer : A radioactive element `X` has an atomic number of 100. It decays directly into an element `Y` which decays ... of 100 D. Z has an atomic number of 99
Description : A radioactive element A on disintegration gives two elements B and C. If B is helium and C is the element of atomic number 90 and atomic mass 234, the
Last Answer : A radioactive element A on disintegration gives two elements B and C. If B is helium and C is the element of atomic ... )^(234)Th` D. `._(91)^(234)Pa`
Description : The rays are given off by a radioactive element from A)Nucleus B)Valence electrons C)All the orbits D)Outer orbit
Last Answer : The rays are given off by a radioactive element from A)Nucleus B)Valence electrons C)All the orbits ... electrons C. all the orbits D. outer orbit
Description : A radioactive element X decays to give two inert gases X is
Last Answer : A radioactive element X decays to give two inert gases X is A. `._(92)^(238)U` B. `._(88)^(226)Ra` C. `._(6)^(14)C` D. `._(8)^(18)O`
Description : How does the composition of a rock containing a radioactive element change over time.?
Last Answer : The compositionn of a rock containing a radioactive element changes over time by: decaying and changing into another element; the amount of the radio active element goes down, but the amount of the new element goes up.
Description : Which of the following is a radioactive element? (1) Cobalt (2) Uranium (3) Argon (4) Chromium
Last Answer : (2) Uranium Explanation: Uranium (U) is a naturally occurring radioactive element. Its nucleus is unstable, so the element is in a constant state of decay, seeking a more stable arrangement ... fission reaction. In fact, uranium was the element that made the discovery of radioactivity possible.
Description : The lightest radioactive element is - (1) deuterium (2) polonium (3) technetium (4) uranium
Last Answer : (3) Technetium Explanation: Tritium is a radioactive isotope of hydrogen. It is the lightest radioactive element.
Description : Which one of the following is not a radioactive element? (1) Uranium (2) Thorium (3) Radium (4) Cadmium
Last Answer : (4) Cadmium Explanation: Radioactivity refers to the particles which are emitted from nuclei as a result of nuclear instability. Because the nucleus experiences the intense conflict between the two ... show radioactive properties while the fourth one does not show any kind of radioactive properties.
Description : The radioactive element used in heart pacemakers is – (1) Uranium (2) Deuterium (3) Plutonium (4) Radium
Last Answer : (1) Uranium Explanation: The actinides (or actinoids) are the chemical elements with atomic numbers between 90 and 109 inclusively. They occur between Groups 3 and 4 in Period 7 of the periodic table. ... scale, it is also used as a power source in smaller devices such as the heart pacemaker.
Description : Which of the element of group 17 is radioactive?
Last Answer : Astatine
Description : The atomic number of a radioactive element is not changed, when it emits __________ rays. (A) α (B) β (C) γ (D) α & β
Last Answer : (C) γ
Description : 75% of a radioactive element decays in 6 hours. Its half life period is __________ hours. (A) 3/4 (B) 1/6 (C) 3 (D) 4
Last Answer : (C) 3
Description : Pick out the wrong statement. (A) α-particle emission from a radioactive element makes it electrically negative (B) β-particle emission from a radioactive element makes it electrically ... ) The disintegration constant of a radioactive isotope is independent of pressure, temperature or concentration
Last Answer : (C) A radioactive element having a half life period of 20 years will completely disintegrated in 40 years
Description : The half life period of a radioactive element depends on its (A) Temperature (B) Pressure (C) Amount (D) None of these
Last Answer : (D) None of these
Description : . The half life period of a radioactive element depends upon the (A) Temperature (B) Pressure (C) Amount of element present (D) None of these
Description : The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm. (A) 1/4 (B) 1/8 (C) 1/2 (D) 1/16
Last Answer : (D) 1/16
Description : The disintegration rate of a radioactive element (A) Progressively increases (B) Progressively decreases (C) Remains constant throughout (D) May increase or decrease depending on the material
Last Answer : (B) Progressively decreases
Description : The new nucleus formed after β-decay of a radioactive element has (A) Less atomic number (B) Less atomic weight (C) More atomic number (D) More atomic weight
Last Answer : (A) Less atomic number
Description : The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years. (A) 24 (B) 18 (C) 6 (D) 36
Last Answer : (B) 18