The age of fossils is determined by calculating the half life period of
A) Isobars
B) Isotopes
C) Radio activitiy
D) Carbon dating
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Tushar’s age is the same as Karthik’s. Satwik’s age is also same as Karthik.
D) First Axiom
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^{14}6C isotope is used to find A) age of fossils
A) age of fossils
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How can a period, group and block of the element be determined?
The group, period and the block of the element can be determined on the basis of its electronic configuration. i. Period: The principal quantum number of the valence shell corresponds to the...
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The method of determining the age of fossils.
(C) Carbon dating
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The age of Rani’s father was 49 years and he was 4 years more than 3 times the age of Rani, then what is the age of Rani ?
Correct option is B) 15 years
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The age of Rani’s father was 49 years and he was 4 years more than 3 times the age of Rani, then what is the age of Rani ?
2 Answers
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After 12 years the age of Ramu is 3 times the age before he was 4 years then his present age is ………………. years.
Correct option is (D) none Let Ramu's present age be x years. \(\therefore\) Ramu's age before 4 years = (x - 4) years Ramu's age after 12 years = (x + 12) years \(\therefore\) x+12 = 3(x-4) \(\Rightarrow\) x+12...
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Which period of age is the faster growing period for girls?
B) 14 to 15 years
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The product of Shikha’s age five years ago and her age 8 years later is 30, her age at both times being given in years. Find her present age.
Let the present age of Shikha be ‘a’ years. Given, product of Shikha’s age five years ago and her age 8 years later is 30 ⇒ (a – 5)(a + 8) =...
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The `C^(14)` to `C^(12)` ratio in a certain piece of wood is `25%` of that in atmosphere. The half life period of `C^(14)` is `5,580` years. The age o
Correct Answer - D `N=N_(0)e^(-lambda t)`
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