Description : Uranium `._(92)U^(238)` decayed to `._(82)Pb^(206)`. They decay process is `._(92)U^(238) underset((x alpha, y beta))(rarr ._(82)Pb^(206))` `t_(1//2)`
Last Answer : Uranium `._(92)U^(238)` decayed to `._(82)Pb^(206)`. They decay process is `._(92)U^(238) underset((x alpha ... 2.303)/(4.5 xx 10^(9)) xx 0.693 log 4`
Last Answer : Uranium `._(92)U^(238)` decayed to `._(82)Pb^(206)`. They decay process is `._(92)U^(238) underset((x alpha, ... be A. 5.25 B. 0.125 C. 12.5 D. 1.25
Description : Uranium (`""_(92)U""^(238)`) decayed to `""_(82)Pb""^(206)`. The process is `""_(92)U""^(238)underset(xalpha,ybeta)to.""_(82)Pb""^(206)` `t""_(1//2)of
Last Answer : Uranium (`""_(92)U""^(238)`) decayed to `""_(82)Pb""^(206)`. The process is `""_(92)U""^(238)underset( ... series are A. 6,8 B. 8,6 C. 8,8 D. 6,6
Description : The total number of `alphaandbeta` particles emitted in the nuclear reaction `""_(92)^(238)Uto""_(82)^(214)Pb` is
Last Answer : The total number of `alphaandbeta` particles emitted in the nuclear reaction `""_(92)^(238)Uto""_(82)^(214)Pb` is
Description : Monazite sample contains 9% `ThO""_(2)` and 0.35% `U""_(3)O""_(8).Pb""^(208)` and `Pb""^(206)` are the stable and products in the radioactive decay se
Last Answer : Monazite sample contains 9% `ThO""_(2)` and 0.35% `U""_(3)O""_(8).Pb""^(208)` and `Pb ... C. It is a fertile material D. It belongs to 4n series
Description : The isotope `._(92)^(235)U` decays in a number of steps to an isotope of `._(82)^(207)Pb`. The groups of particle emitted in this process will be:
Last Answer : The isotope `._(92)^(235)U` decays in a number of steps to an isotope of `._(82)^(207)Pb`. The groups ... C. `7 alpha, 4 beta` D. `10 alpha, 8 beta`
Description : `._(90)^(232)Th` disintegrates to `._(82)^(208)Pb`. How many of `beta`-particle are evolved?
Last Answer : `._(90)^(232)Th` disintegrates to `._(82)^(208)Pb`. How many of `beta`-particle are evolved?
Description : The end product of `4n` series is a)`._(82)Pb^(208)` b)`._(82)Pb^(207)` c)`._(82)Pb^(209)` d)`._(82)Pb^(204)`
Last Answer : The end product of `4n` series is a)`._(82)Pb^(208)` b)`._(82)Pb^(207)` c)`._(82)Pb^(209)` d)`._(82) ... )Pb` C. `._(82)^(209)Pb` D. `._(83)^(210)Bi`
Description : The nucleus `._(92)^(235)U` decays according to `._(92)^(238)U rarr ._(92)^(234)Th + ._(2)^(4)He`. Calculate the kinetic energy of the emitted `alpha`
Last Answer : The nucleus `._(92)^(235)U` decays according to `._(92)^(238)U rarr ._(92)^(234)Th + ._(2)^(4)He`. ... kg " " ._(2)^(4)He = 6.64807 xx 10^(-27)`
Description : `._(92)U^(238)` emits `8 alpha-` particles and `6 beta-` particles. The `n//p` ratio in the product nucleus is a)`(62)/(41)` b)`(60)/(41)` c)`(61)/(42
Last Answer : `._(92)U^(238)` emits `8 alpha-` particles and `6 beta-` particles. The `n//p` ratio in the product nucleus ... A. 60/41 B. 61/40 C. 62/41 D. 61/42
Description : Assertion `(A):` `._(92)U^(238) (IIIB)overset(-alpha)rarrAoverset(-alpha)rarrB overset(-beta)rarrC` Reason `(R):` Element `B` will be of `II A ` group
Last Answer : Assertion `(A):` `._(92)U^(238) (IIIB)overset(-alpha)rarrAoverset(-alpha)rarrB overset(-beta)rarrC` Reason ... D. If both (A) and (R ) are incorrect.
Description : Which among the following `"is"//"are"` fissible? a)`._(92)U^(235)` b)`._(92)U^(238)` c)`._(94)Pu^(239)` d)`._(94)Pu^(238)`
Last Answer : Which among the following `"is"//"are"` fissible? a)`._(92)U^(235)` b)`._(92)U^(238)` c)`._(94)Pu^(239)` ... ` C. `._(94)^(239)Pu` D. `._(94)^(238)Pu`
Description : `._(92)^(238)U` atom distintgrates to `._(84)^(214) Po` with a half life of `4.5xx10^(9)` years by emitting six alpha particles and n electrons. Here
Last Answer : `._(92)^(238)U` atom distintgrates to `._(84)^(214) Po` with a half life of `4.5xx10^(9)` years by emitting ... . Here n is - A. 6 B. 4 C. 10 D. 7
Description : In the transformation of `""_(92)""^(238)U` to `""_(92)""^(234)U`, if one emission is an `alpha` particle, what should be the other emission(s)? a)Two
Last Answer : In the transformation of `""_(92)""^(238)U` to `""_(92)""^(234)U`, if one emission is an `alpha` ... `gamma` D. one `beta^(+)` and one `beta^(-)`
Description : Consider the following nuclear reactions: `""_(92)""^(238)Mto.""_(y)""^(x)N+2.""_(2)""^(4)He, ""_(x)""^(y)Nto ""_(B)""^(A)L+2beta""^(+)` The number of
Last Answer : Consider the following nuclear reactions: `""_(92)""^(238)Mto.""_(y)""^(x)N+2.""_(2)""^(4)He, ""_ ... in the element L is A. 142 B. 144 C. 140 D. 146
Description : `._(84)^(210)Po rarr _(82)^(206) Pb + ._(2)^(4)He` in this reaciton predict the positon of group of `Po` when lead is the the `IVB` group:
Last Answer : `._(84)^(210)Po rarr _(82)^(206) Pb + ._(2)^(4)He` in this reaciton predict the positon of group of ` ... the `IVB` group: A. IIA B. VIB C. IVB D. VB
Description : The correct starting material and product of different disintegration series `"is"//"are"` a)`Th^(232), Pb^(208)` b)`Np^(237),Bi^(209)` c)`U^(235),Pb^
Last Answer : The correct starting material and product of different disintegration series `"is"//"are"` a)`Th^(232), Pb^(208)` ... )Pb` D. `.^(237)Np, .^(209)Bi`
Description : A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_(alpha) = 5.77 MeV`. Find the recoil velocity of a daughter nuc
Last Answer : A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_( ... accounted for by the recoil energy of daughter nucleus ?
Description : The largest stable nucleus is (A) U-235 (B) U-238 (C) Pb-206 (D) Bi-209
Last Answer : (A) U-235
Description : If a U-238 nucleus splits into two identical parts, how will the two nuclei be so produced? -Do You Know?
Last Answer : answer:
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
Description : If a U-238 nucleus splits into two identical parts, how will the two nuclei be so produced?
Last Answer : Stable
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)
Description : Consider the given network implementation scenario. For the given classful NID 199.10.20.0/24, the requirement is to create 13 subnets. With given details, find the range of first and last valid IP in 15th subnet. a. ... .20.225 to 199.10.20.238 c. 199.10.20.193 to 199.10.20.206 d. Not of these
Last Answer : a. A Only
Description : Let us consider emission of `alpha`particle from uranium nucleus: `._(92)^(235)U - ._(2)He^(4) to ._(90)Th^(231)` `{:(e = 92, e = 0, e = 90),(p = 92,
Last Answer : Let us consider emission of `alpha`particle from uranium nucleus: `._(92)^(235)U - ._( ... evolve energy C. annihilation D. absorption in the nucleus
Description : In step-III if `Pb(CH_(3)CO O)_(2)` is added without acidifying the solution with `CH_(3)CO OH` then possibel product may be :
Last Answer : In step-III if `Pb(CH_(3)CO O)_(2)` is added without acidifying the solution with `CH_(3)CO OH` then possibel ... . `Na_(2)CrO_(4)` D. `Na_(2)PbO_(2)`
Description : The atomic number of uranium is 92 and its atomic mass is 238.how many neutrons does the most common isotope of uranium have.?
Last Answer : The most common isotope of uranium is uranium-238 with 146 neutrons.
Description : This natural fiber obtained from the stems of a plant of the nettle family has found popularity in modern fibers with a high wet strength, absorbent but dries quickly, it can be spun or woven, has a high rot ... a source of heat or power? w) Plutonium-238 x) Strontium-90 y) Cesium-137 z) Uranium-235
Last Answer : ANSWER: W -- PLUTONIUM-238
Description : `""_(92)U^(235)` nucleus absorbs a neutron and disintegrates into `""_(54)Xe^(139) .""_(38)Sr^(94)` and X. What will be the product X ?
Last Answer : `""_(92)U^(235)` nucleus absorbs a neutron and disintegrates into `""_(54)Xe^(139) .""_(38) ... B. 2-neutrons C. `alpha`-particles D. `beta`-particle
Description : The number of neutrons accompanying the formation of `._(54)Xe^(139)` and `._(38)Sr^(94)` from the absorption of a slow neutron by `._(92)U^(235)`, fo
Last Answer : The number of neutrons accompanying the formation of `._(54)Xe^(139)` and `._(38)Sr^(94)` from the ... `._(92)U^(235)`, followed by nuclear fission is
Description : In the neutron`-`induced fissioin reaction of `._(92)U^(235)` one of the products if `._(37)Rb^(95),` in this mode, another nuclide and three neutrons
Last Answer : In the neutron`-`induced fissioin reaction of `._(92)U^(235)` one of the products if `._(37)Rb^(95),` in this ... `._(55)^(145)Co` D. `._(54)^(143)Xe`
Description : The reaction `._(92)U^(235) + ._(0)n^(1) rarr ._(56)Ba^(140) + ._(36)Kr^(93) + 3 ._(0)n^(1)` represents a)Artificial radioactivity b)Nuclear fission c
Last Answer : The reaction `._(92)U^(235) + ._(0)n^(1) rarr ._(56)Ba^(140) + ._(36)Kr^( ... radioactivity B. nuclear fission C. nuclear fussion D. none of the above
Description : Calculate the energy released by fission of 1 g of `._(92)^(235)U`, assuming that an energy of 200 MeV is released by fission of each atom of `.^(235)
Last Answer : Calculate the energy released by fission of 1 g of `._(92)^(235)U`, assuming that an energy of 200 MeV is ... `= 6.023 xx 10^(26) kg mol^(-1)`)
Description : The isotope of Uranium capable of sustaining chain reaction is - (1) U-235 (2) U-238 (3) U-239 (4) N.O.T.
Last Answer : (1) U-235 Explanation: Uranium is a chemical element with symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table.
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 average heart beat rate per minute in a normal person is - (1) 82 (2) 92 (3) 72 (4) 98
Last Answer : (3) 72 Explanation: The average heart rate for adult humans is about 70 to 75 beats per minute in a normal relaxed mode. While we tend to think of the "normal" heart beat rate as being "72 ... health risk. The "72 beats per minute" that we are familiar with is the normal average heart beat rate.
Description : The percentage of water content in the human blood plasma normally varies from (1) 60-64 (2) 70-75 (3) 80-82 (4) 91-92
Last Answer : (4) 91-92 Explanation: Blood plasma is the strawcolored/pale-yellow liquid component of blood that normally holds the blood cells in whole blood in suspension. It makes up about 55% ... , electrolytes, hormones and carbon dioxide (plasma being the main medium for excretory product transportation).
Description : Thermal efficiencies up to........have been observed in hybrid cooling towers a. 92 b. 82 c. 72 d. 62
Last Answer : 92
Description : The average heartbeat rate per minute in a normal person is (1) 82 (2) 92 (3) 72 (4) 98
Last Answer : 72
Last Answer : 91-92
Description : The average heart beat rate per minute in a normal person is (1) 82 (2) 92 (3) 72 (4) 98
Description : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but lighter `._(2)H^(3)` cannot. Reason `(R) :` The
Last Answer : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but ... D. If both (A) and (R ) are incorrect.
Description : In the sequence of the following nuclear reaction, `X_(98)^(238) overset(-alpha)(to) Y overset(-beta)(to)L overset(nalpha)(to) ._(90)M^(218)` What is
Last Answer : In the sequence of the following nuclear reaction, `X_(98)^(238) overset(-alpha)(to) Y overset(-beta)(to)L overset( ... of n? A. 3 B. 4 C. 5 D. 6
Description : The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3))_(2)` (iv) `NH_(4)NO_(3)` . Which of the following statement/s
Last Answer : The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3)) ... and (iii) liberate `O_(2)` D. All statements are correct
Description : At a given temperature \( PbI _{2} \) will be more soluble in(a) \( 0.4 M Pb \left( NO _{3}\right)_{2} \)(b) \( 0.02 M Na 1 \) when(c) \( 0.02 MKI \)(d) water \( PbI _{2} \rightleftharpoons Pb ^{+} \)
Last Answer : At a given temperature \( PbI _{2} \) will be more soluble in (a) \( 0.4 M Pb \left( NO _{3}\ ... (d) water \( PbI _{2} \rightleftharpoons Pb ^{+} \)
Description : Find the structure of the following atoms: (i) `._(8)^(16)O" "` (ii) `._(17)^(35)Cl" "` (iii) `._(13)^(27)Al`.
Last Answer : Find the structure of the following atoms: (i) `._(8)^(16)O" "` (ii) `._(17)^(35)Cl" "` (iii) `._(13)^(27)Al`.
Description : (A) Enrichement of `U^(235)` from a mixture containing more abundant `U^(238)` is based on diffusion of `UF_(6)`. `UF_(6) is a gaseous compound under
Last Answer : (A) Enrichement of `U^(235)` from a mixture containing more abundant `U^(238)` is based on diffusion of ` ... . D. If both (A) and (R ) are incorrect.