Question
Easy
Solving time: 2 mins
The half-life of a radioactive substance is 20 min. The approximate time interval between the time when of it has decayed and time when of it had decayed is
(a)
(b)
(c)
(d)
Found 5 tutors discussing this question
Discuss this question LIVE
5 mins ago
Text solutionVerified
Exp. (b)
one half-life
one half-life
Was this solution helpful?
68
Share
Report
Filo tutor solutions (4)
Learn from their 1-to-1 discussion with Filo tutors.
1 mins
Uploaded on: 4/14/2023
Was this solution helpful?
67
Share
Report
10 mins
Uploaded on: 4/14/2023
Was this solution helpful?
79
Share
Report
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
60, 000+ Expert tutors
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Essay review
Get expert feedback on your essay
Schedule classes
High dosage tutoring from Dedicated 3 experts
Questions from JEE Mains 2011 - PYQs
Question 1
Easy
Views: 5,704
(a)
(b)
(c)
(d)
Question 2
Easy
Views: 5,900
A thin air film is formed by putting the convex surface of a plane-convex lens over a plane glass plate. With monochromatic light, this film gives an interference pattern due to light reflected from the top (convex) surface and the bottom (glass plate) surface of the film.
Statement I When light reflects from the air-glass plate interface, the reflected wave suffers a phase change of .
Statement II The centre of the interference pattern is dark.
Question 3
Easy
Views: 6,023
Statement I Sky wave signals are used for long distance radio communication. These signals are in general, less stable than ground wave signals.
Statement II The state of ionosphere varies from hour to hour, day to day and season to season.
(a) Statement I is true, Statement II is true; Statement II is the correct explanation of Statement I
(b) Statement I is true, Statement II is true; Statement II is not the correct explanation of Statement I
(c) Statement I is false, Statement II is true
(d) Statement I is true, Statement II is false
Question 4
Medium
Views: 5,374
(a)
(b)
(c)
(d)
Practice questions from Arihant Physics JEE Main Chapterwise Solutions (2019-2002) (Arihant)
Question 1
Medium
Views: 5,316
(a)
(b)
(c)
(d)
Question 2
Medium
Views: 6,158
(a)
(b)
(c)
(d)
Question 3
Medium
Views: 5,323
(a)
(b) (c)
(d)
Question 4
Medium
Views: 5,600
(a)
(b)
(c)
(d)
Practice questions from Nuclei in the same exam
Question 1
Easy
Views: 6,184
Question 2
Medium
Views: 5,787
(a) alpha particles
(b) beta particles
(c) gamma photons
(d) neutrons
Question 3
Medium
Views: 5,747
Practice more questions from Nuclei
Question 1
Views: 5,565
Question 2
Easy
Views: 6,184
Question 3
Easy
Views: 5,273
Question 4
Hard
Views: 5,508
Practice questions on similar concepts asked by Filo students
Question 1
Views: 5,077
Question 3
Views: 5,185
Question 4
Views: 5,684
Stuck on the question or explanation?
Connect with our Physics tutors online and get step by step solution of this question.
231 students are taking LIVE classes
Question Text | The half-life of a radioactive substance is 20 min. The approximate time interval between the time when of it has decayed and time when of it had decayed is (a) (b) (c) (d) |
Updated On | Apr 14, 2023 |
Topic | Nuclei |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 4 |
Upvotes | 397 |
Avg. Video Duration | 4 min |