Description : A radioactive sample has a half life 1500 years. A sealed tube conataining 1g of the sample will contain after 3000 years,
Last Answer : A radioactive sample has a half life 1500 years. A sealed tube conataining 1g of the sample will contain ... g of the sample D. 0.01g of the sample
Description : 5% bonus on initial deposit of MIS account allowed an account opened between a) 08 Dec 2007 to 30 Nov 2011 b) 13 Feb 2006 to 30 Nov 2011 c) Before 13 Feb 2006 d) None of these
Last Answer : a) 08 Dec 2007 to 30 Nov 2011
Description : Rural postal life insurance started in a) 24 Mar 1995 b) 23 Feb 1995 c) 24 Mar 1994 d) 25 Mar 2006
Last Answer : a) 24 Mar 1995
Description : The standards and labeling scheme lunched in _______ A) may 2006 C) march 2006 B) Feb 2005 D) June 2006
Last Answer : may2006
Description : 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
Last Answer : A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of ... 48 g B. 36 g C. 24 g D. 12 g
Description : Best time of budding in Ber is a. Feb – March b. July – Aug c. Nov – Dec d. Jan – Feb
Last Answer : b. July – Aug
Description : What type of decay involves only the release of high-energy photons and therefore does not change the mass of an atom of a radioactive isotope?
Last Answer : High-energy photons are gamma rays; the decay is called gamma decay. Please note that the mass of an atom DOES change, since a loss of energy is accompanied by a loss in mass.
Description : In which year Tripura Legislative Assembly Election held – a) 18th Jan, 2018 b) 18th Feb, 2018 c) 1st Jan, 2018 d) 14th Feb, 2018
Last Answer : b) 18th Feb, 2018
Description : The yearly village return MS-88 in the month of ____ of each year should be kept by ______showing the number of articles of all sorts received for delivery in each village within the jurisdiction ... of the circle c) Sub account assistant, Feb, Postmaster, divisional inspector d) None of these
Last Answer : c) Sub account assistant, Feb, Postmaster, divisional inspector
Description : Is the decay of a radioactive isotope predictable (causally determined) or not?
Last Answer : At this point it seems to be a result of quantum indeterminacy. In other words, since the Heisenberg uncertainty principle is in effect at that level, all we can determine is probability (hence a predictable ... , it is deterministic and we will (hopefully) one day be able to understand it as such.
Description : Assertion (A) : Half life of a radioactive isotope is the time required to decrease its mass number by half Reason (R ) : Half life of radioactive iso
Last Answer : Assertion (A) : Half life of a radioactive isotope is the time required to decrease its mass number by half ... . If both (A) and (R ) are incorrect.
Description : (A) The archaeological studies are based on the radioactive decay of carbon-14 isotope. (R ) The ratio of C-14 to C-12 in the animals of plants is the
Last Answer : (A) The archaeological studies are based on the radioactive decay of carbon-14 isotope. (R ) The ratio of C ... D. If both (A) and (R ) are incorrect.
Description : The half life of radioactive isotope is 3 hour. If the initial mass of isotope were 256 g, the mass of it remaining undecayed after 18 hr is a)12 g b)
Last Answer : The half life of radioactive isotope is 3 hour. If the initial mass of isotope were 256 g, the mass of it remaining ... 4 g B. 8 g C. 12 g D. 16 g
Description : Which radioactive isotope is used to detect tumours?
Last Answer : Which radioactive isotope is used to detect tumours? A. `.^(74)As` B. `.^(24)Na` C. `.^(131)I` D. `.^(60)Co`
Description : When `._(13)^(27)Al` is bombarded whith `alpha`-particles, a radioactive isotope of phosphorus `._(15)^(30)P` with the emission of …. Is formed
Last Answer : When `._(13)^(27)Al` is bombarded whith `alpha`-particles, a radioactive isotope of phosphorus ` ... A. neutrons B. protons C. positrons D. electrons
Description : When an isotope is blank it is radioactive?
Last Answer : When an isotope is unstable, it is said to be radioactive.
Description : When does an isotope undergo radioactive decay?
Last Answer : An atom of a given isotope will undergo radioactive decay whenever it feels like it. No joke. The nucleus of a radioactive isotope is unstable. Always. But that atom has no predictable moment ... to decay, except that those with very short half lives will pretty much disappear relatively quickly.
Description : What name is given to the time taken for half the atoms in a sample of a radioactive isotope to decay?
Last Answer : Half-life
Description : A radioactive isotope labeled cDNA probe is used in (A) Southern blotting (B) Northern blotting (C) Both (A) and (B) (D) None of these
Last Answer : Answer : C
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 : Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these
Last Answer : (C) Tritium
Description : A radioactive isotope undergoes decay with respect to time following __________ law. (A) Logarithmic (B) Exponential (C) Linear (D) Inverse square
Last Answer : (B) Exponential
Description : The time required for half of the __________ of a radioactive isotope to decay is called its half life. (A) Nuclei (B) Electrons
Last Answer : (A) Nuclei
Description : The radioactive isotope of hydrogen is called--------- and its nucleus contains --------proton and --- --neutron.
Last Answer : Ans: Tritium, one and two
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 : Which technique has helped in investigation of Calvin cycle? (a) X-ray crystallography (b) X-ray technique (c) Radioactive isotope technique (d) Intermittent light
Last Answer : (c) Radioactive isotope technique
Description : A radioactive isotope has a half-life of 10 days. If today there are 125 g of it left, what was its original weight 40 days earlier (a) 600 g (b) 1000 g (c) 1250 g (d) 2000 g
Last Answer : Half life = 10days The formula which is, 1/(2)^n × original weight = Weight left today. To obtain the value of n = divide no of days by half life ie.,n= 40/10= 4 n=4 So, 1/(2)^n × original Weight = 125g 1/(2)^4 × Original weight = 125 Original weight = 16×125 = 2000g
Description : Which of the following procedures represents the best method to prevent the freezing of batteries continuously exposed to low temperatures? A. The battery caps should be removed. B. The battery cap ... in a fully charged condition. D. The battery should be disconnected from its charging source.
Last Answer : Answer: C
Description : Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter? (a) Larvae could appear in decaying organic matter. (b) Microbes did not ... matter. (d) Meat was not spoiled, when heated and kept sealed in a vessel.
Last Answer : (d) Meat was not spoiled, when heated and kept
Description : Sri-Lanka set highest ODI team total of 443/9 runs against _______ at Amstelveen on 04 July 2006. A. Netherlands B. England C. South Africa D. India
Last Answer : ANSWER: A
Description : Sri-Lanka set highest ODI team total of 443/9 runs against _______ at Amstelveen on 04 July 2006. 128 A. Netherlands B. New Zealand C. Pakistan D. India
Description : Sri-Lanka set highest ODI team total of 443/9 runs against _______ at Amstelveen on 04 July 2006. A. Netherlands B. New Zealand C. Pakistan D. India
Description : Raja Rao the famous Indian Novelist who died on 8 July 2006. The title of his first novel was - (1) Kanthapura (2) The Serpent and The Rope (3) The Chess Master and His Moves (4) The Cat and Shakespeare
Last Answer : (1) Kanthapura Explanation: Raja Rao's novel Kanthapura (1938) is the first major Indian novel in English. It is a fictional but realistic account of how the great majority of people in India lived their ... English and is thought of as one of the best, if not the best, Gandhian novels in English.
Description : Raja Rao the famous Indian Novelist who died on 8th July 2006. The title of his first novel was (1) Kanthapura (2) The Serpent and The Rope (3) The Chess Master and His Moves (4) The Cat and Shakespeare
Last Answer : Kanthapura
Description : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : dry iodine reacts with ozone and formed yell
Last Answer : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : ... below 369 K. A. FTF B. TTF C. TTT D. TFF
Description : On a certain day, the ratio of the passenger in the 1st class and the second class travelling by train is 1:3. the ratio of the fares collected from each first class and second class passengers is 30:1. If ... in Rs, collected from the second class passengers. A) 240 B) 360 C) 480 D) 120 E) None
Last Answer : Answer: D Let the number of passengers travelling by first class and second class be x and 3x respectively. Lets the fares collected from each of the first class and second class passengers be 30y and y ... 3xy=33xy=1320 xy=40. Total amount collected from the second class =3xy=3 40= Rs 120.
Description : How much does my 2006 Chevy impala weigh?
Last Answer : What is the answer ?
Description : What is the difference between the new 8g 3rd Generation iPod Touch, and the 2nd Gen? (Besides the $30 price cut.)
Last Answer : Shorter battery life when listening to music; no change for video. Voice Control, like the iPhone. the 32/64 models have voice over, like the latest shuffle. basically, it’s the internals of an iphone 3Gs.
Description : Is it worth getting a 16G iPhone when I already have a 8G?
Last Answer : How much space did you use up on your 8G? Can you fill up a 16G? If you can I guess it is worth getting one.
Description : Do they make 8g blank Dvds?
Last Answer : yep its a dual-layer dvd
Description : How many particles are in 7.8g of NaCl?
Last Answer : 7,8 g of NaCl contain 0,814.10e23 formula units.
Description : How much heat is needed to raise the temperature of 8g of water by 19oC?
Last Answer : The equation to use is Q = m x c x delta t, where Q is energy, m is mass, c is specific heat capacity, and delta t is temperature change. The heat capacity of water is 4.184 J/g-oC. Plug in the known values and solve.Q = 8 g x 4.184 J/g-oC x 19 oC = 600 J (rounded to one significant figure)
Description : Strain energy in a close coiled helical spring is (a) τ2/8G (b) τ2/16G (c) τ2/4G (d) None
Last Answer : (c) τ2/4G
Description : If the addressee of the VP article complain that he had been defrauded by the sender a) The amount collected can be returned to the addressee b) The amount can be kept under suspense and case referred ... The amount to be credited under UCR and case referred to Head of the Cirlce d) None of these
Last Answer : c) The amount to be credited under UCR and case referred to Head of the Cirlce
Description : You are stuck in a room. On the door is a keypad with all the letters of the alphabet and the enter button. The word is 7 letters long. To your left, is a table with a note. The note reads: ... the note upon the table, remove a letter and you will be free. What is the code to escape? -Riddles
Last Answer : The code is science After solving for the first note, you will get sciesnce. If you don't understand why, go to the Periodic Table of the Elements and find these elements there. From the ... with this my self when I was looking at the periodic table. Thank you for reading my Escape Room.