`C^(14)` has a half life of 5700 yrs. At the end of 11400 years, the actual amount left is

Question

`C^(14)` has a half life of 5700 yrs. At the end of 11400 years, the actual amount left is

`C^(14)` has a half life of 5700 yrs. At the end of 11400 years, the actual amount left is
A. 0.5 of original amount
B. 0.25 of original amount
C. 0.125 of original amount
D. 0.0625 of original amount

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

Ram, Shyam,Tarun and Varun together had a total amount of Rs. 240 with them. Ram had half of the total amount with the others.

2 Answers 5 Views

The half-life of a radioisotope is 1.5 hours. If its initial mass is 32g, the mass left undecayed after 6 hours is

2 Answers 9 Views

If the unknown Resistancee calculated without using the end correction is `R_(1)` and with using end corrections is `R_(2)` then (assume same end core

2 Answers 4 Views

Assertion In one half-life of a radioactive substance more number of nuclei are decayed than in one average life. Reason Average life = Half -life/in

2 Answers 9 Views

Assertion: Force of friction depends on the actual area of contact. Reason: Larger the area of actual contact, larger is oppose to motion.

2 Answers 6 Views

The radio iostope, tritium `(H^(3))` has a half life of 12:3 yr. If the initial amount of tritum is 32 mg, how many milligrams of it would remain afte

2 Answers 4 Views

A radioactive element has half-life period of 30 days. How much of it will be left after 90 days?

2 Answers 5 Views

At 500 K, the half-life period of a gaseous reaction at the initial pressure of 80 kPa is 350 sec. When the pressure is 40 kPa, the half life period i

2 Answers 7 Views

In a series of `2n` observations, half of them equal `a` end remaining half equal `-a.` If the S.D. of the observationsis `2,` then `|a|` equals (1) `

2 Answers 5 Views

A machine costing ₹ 23,000 is estimated to have a life of 7 years and the scrap value is estimated at ₹ 2,000 at the end of its useful life.

2 Answers 11 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`N=N_(0)xx((1)/(2))^(11400//5700)(thereforeT_(1//2)=5700 yr and T=11400 yr)`
`=N_(0)((1)/(2))^(2)=0.25N_(0)`

4 views Answered 2023-02-05 15:29