Home / Aptitude Tests / Physics / A radioactive isotop...

A radioactive isotope has a decay constant of 10-6s-1.

A radioactive isotope has a decay constant of 10-6s-1.
Calculate its half - life?

A.

5.93 x 106s

B.

6.93 x 105s

C.

6.93 x 109s

D.

5.93 x 107s

View answer & explanation

Correct answer is B

t1/2 = \(\frac{0.693}{\gamma}\) = \(\frac{0.693}{10^-6}\)

= 6.93 x 105

See all Physics questions & answers
See more JAMB questions & answers
Similar Questions

How long will it take to heat 3 kg of water from 28oC to 88oC in an electric taking a current of 6 A...

Convex mirrors are used as driving mirrors because images formed are ...

The d.c generator has essentially the same components as the a.c generator except the presence of? ...

I. The motion of the tyres of a moving car. II. The motion of a loaded test tube oscillated vertic...

an electric cell with nominal voltage E has a resistance of 3Ω connected across it. If the vol...

The atmospheric pressure due to water is 1.3 x 106Nm-2. What is the total pressure at the bottom of ...

Calculate the mass of the copper deposited during electrolysis when a current of 4A passes through a...

A parallel plate capacitor is charged and the charging battery is subsequently disconnected. lf...

Which of the following statements describes an atom accurately? i. atoms of all elements are iden...

An electric device is rated 2000 W, 250 v. The correct fuse rating of the device is?...

Aptitude Tests

Spatial Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Microsoft Office Questions and Answers

Verbal Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Abstract Reasoning Questions and Answers

Quantitative Reasoning Questions and Answers

Typing Speed and Accuracy Test

Data Interpretation Questions and Answers

Personality Test

Nigeria General Knowledge Questions and Answers

Situational Judgement Questions and Answers

Puzzles Questions and Answers

See all →