A radioactive isotope has a decay constant of 10-5s4. Calculate half life

Assessment: JAMB UTME - Physics - 2011 Subject: Physics

Question 1 Report

A radioactive isotope has a decay constant of 10-5s4. Calculate half life
Answer Details
T (1)/2 = (0.693)/λ = (0.693)/10-5
= 0.693 x 105
= 6.93 x 104 sec
Read lesson note on Electromagnetic Field (Part 2) (WAEC)
View Answer

Related Questions

1

The bond between silicon and germanium is
2

In an A.C circuit, the ratio of r.m.s value to peak value of current is
3

A length of wire has a frequency of 255Hz when stretched by a force of b225N. If the fore increased to 324N, what is the new frequency of vibration
4

The diagram above show the positions of a cone. The position which can be described as neutral equilibrium is represented as
5

Two resistors 5Ω and 10Ω are arranged first in series and later in parallel to a 24V source, the ratio of total power dissipated in the series and parallel a...
6

An image in a convex lens is upright and magnified 3 times. If the focal length of the lens is 15 cm, what is the object distance?
7

In the circuit above, three resistors, 2Ω, 4Ω and 12Ω are connected in parallel and a 12V battery is connected across the combination. The current flowing th...
8

The diagram above shows two vectors at right angles to each other. The value of the resultant vector is

Download The App On Google Playstore

Everything you need to excel in your exams

Green Bridge CBT Mobile App
Personalized AI Learning Chat Assistant
200,000+ Exam Questions Across IGCSE, JAMB, WAEC & NECO
Over 3,900 Lesson Notes
Offline Support - Learn Anytime, Anywhere
Green Bridge Timetable
Literature Summaries & Potential Questions
Track Your Performance & Progress
In-depth Explanations for Comprehensive Learning