Description : Which is the unit of activity of a radioactive source? -Do You Know?
Last Answer : answer:
Description : Which is the unit of activity of a radioactive source?
Last Answer : – Becquerel
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 : A sample of radioactive material has mass `m`, decay constant `lambda`, and molecular weight `M`. Avogadro constant `=N_(A)`. The initial activity of
Last Answer : A sample of radioactive material has mass `m`, decay constant `lambda`, and molecular weight `M`. Avogadro constant ... N_(4))/(M)` D. `mMe^(lambda)`
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 : Radioactive substance has a constant activity of 2000 disintegrations per minute. The material is separated into two fractions, one of which has an in
Last Answer : Radioactive substance has a constant activity of 2000 disintegrations per minute. The material is separated into two ... 1500 B. 1000 C. 1250 D. 2000
Description : What radioactive element is routinely used in treating hyperthyroidism, and in reducing thyroid activity? w) Iron-59 x) Gold-198 y) Cobalt-60 z) Iodine-131
Last Answer : ANSWER: Z -- IODINE-131
Description : The following statements relate to CPE credit units. Which is incorrect? a. One credit hour of CPE program, activity or source shall be equivalent to one (1) credit unit. b. Any excess ... carried over to the next three-year period including credit units earned for doctoral and master's degrees.
Last Answer : Excess credit units earned may be carried over to the next three-year period including credit units earned for doctoral and master's degrees.
Description : What source and strength of radioactivity could cause mercury dental fillings to become radioactive?
Last Answer : answer:In general, things don't become radioactive simply by being exposed to radioactivity. (I hate to say never , because I don't know if an incredibly large radioactive burst ... think it is possible for dental fillings to become radioactive from exposure to (survivable) ionizing radiation.
Description : A frheshly prepared radioactive source of half life 2 hrs emits radiation of intensity which is 32 times the permissible safe value of intensity. Whic
Last Answer : A frheshly prepared radioactive source of half life 2 hrs emits radiation of intensity which is 32 times the ... B. 5hrs C. 10 hrs D. 32 hrs
Description : A freshely prepared radioactive source of half 2 hours emits radiations of intensity which is 64 times the permissible safe level. The minimum time af
Last Answer : A freshely prepared radioactive source of half 2 hours emits radiations of intensity which is 64 times the ... 12 hours C. 24 hours D. 48 hours
Description : Mention the source of radioactive pollution.
Last Answer : a) Nuclear power plants b) Nuclear weapons c) Disposal of nuclear wastes d) Use of radioactive isotopes e) Mining and refining of radioactive substance like uranium and thorium
Description : Most of what we call background radiation comes from two sources. One is the naturally radioactive elements around us. What is the other source?
Last Answer : ANSWER: COSMIC RADIATION
Description : Pick out the wrong statement. (A) The disintegration rate of a radioactive substance cannot be increased by heating it (B) Electrons have negligible mass and unit negative change (C) Deuterium atom has one proton and two neutrons in its nucleus (D) Cadmium is capable of absorbing neutrons
Last Answer : (C) Deuterium atom has one proton and two neutrons in its nucleus
Description : What is the source of immediate energy for cellular activity? -Do You Know?
Description : Which of the following is not true regarding enzymes? (A) They catalyze only a particular type of reaction (B) They remain active even after separation from the source (C) They are destroyed ... They are irreversibly destroyed at high temperature (E) Their activity depends on the pH of the solution
Last Answer : Answer : C
Description : Select the correct statement from the following. (a) Biogas is produced by the activity of aerobic bacteria on animal waste. (b) Methanobacterium is an aerobic bacterium found in rumen of ... sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.
Last Answer : (d) Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.
Description : Which among the following is incorrect: a) Computer - Machine that will carry out the process described by program b) Person - Programmer who serves as the source of the communication c) Process - The ... - Actual System or environment where the problem arises e) None of These f) All of the above
Last Answer : e) None of These
Description : What is the source of immediate energy for cellular activity?
Last Answer : Atp
Description : 1. Which country has the largest forest area in the world? 2. What is the source of immediate energy for cellular activity? 3. Who was the member of the Rajya Sabha when first ... moist tropical evergreen forests found? 20. By whom are the oldest compositions in Punjabi devotional compositions?
Last Answer : Answer : 1. Russian Federation 2. ATP 3. Indira Gandhi 4. Australia 5. Harsha 6. Wood charcoal 7. 23rd August, 1948 8. U. P. 9. Lake Erie and Lake Ontario 10. Harshavardhana 11. ... Bihar 16. Switzerland 17. Biodiversity 18. Due to total internal reflection 19. The Shillong plateau 20. Baba Farid