UrbanPro

Take Class 12 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

The half life of a radioactive element M is 30 min. How many atoms of A will be left after 2 h if there is 64 atoms of M in the beginning? Options: A. 4 , B. 64, C. 0, D. Can't say.

Asked by Last Modified  

Follow 0
Answer

Please enter your answer

Tutor

A 4
Comments

Brain Trainer

Answer is A. 4
Comments

it will be 8 . or D.
Comments

Get mentored by science olympiad topper.

Yeah a.4 is correct its eqaul to 4 half life's.so 64/2^4 I.e 64/16 is equal to 4
Comments

Math Magician

A
Comments

Tutor

4
Comments

M.SC(MATHS),M.ED, (MBA)

4
Comments

Biotech the future World

4
Comments

Btech (Ece),mtech

4
Comments

A.4
Comments

View 23 more Answers

Related Questions

If current is a scalar quantity then why current density is a vector quantity..???
Current is scaler because it is produced due to drift movement of charge and current density is vector because current per unit area which means in particular wire current flows,and that wire have particulare...
Shailesh
0 0
8
What is meaning of moment of inertia?
Moment of inertia is the mass property of a rigid body that determines the torque needed for a desired angular acceleration about an axis of rotation. Moment of inertia depends on the shape of the body...
Ravi Ranjan
What is the difference between horizontal and vertical ellipse?
If the larger number is under x, then it is a horizontal ellipse. If it is under the y then it is vertical.
Ramala
Define asymptote?
A straight line that continually approaches a given curve but does not meet it at any finite distance.
Prakash

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Guarantee Of Profits To A Partner.
Guarantee is an assurance given to the partner of the firm that at least a fixed amount shall be given to him/her irrespective of his/her actual share in profits of the firm. If actual share in profits...

Partnership Accounting
In partnership, accounting starts from transferring “Net profit” figure from P&L account to “P&L Appropiation a/c”. Below are accounting entries to be made. For transfer...

Best Biology Books for AIPMT/NEET Preparation
NCERT Biology of Class XI and XII Trueman's Biology Vol 1 and 2 Objective Biology by Dinesh Pradeep Publication's Biology GRB Bathla's Publication's for Biology
B

Bidisha Ghosh

0 0
0

Cash Flow Statement
Purpose of a statement of cash flows: To provide information about the cash inflows and outflows of an entity during a period. To summarize the operating, investing, and financing activities of the...

Recommended Articles

Radhe Shyam is a highly skilled accounts and finance trainer with 8 years of experience in teaching. Accounting is challenging for many students and that’s where Radhe Shyam’s expertise comes into play. He helps his students not only in understanding the subject but also advises them on how to overcome the fear of accounts...

Read full article >

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Looking for Class 12 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Class 12 Tuition Classes?

The best tutors for Class 12 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 12 Tuition with the Best Tutors

The best Tutors for Class 12 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more