muhammad zubair


{ City } peshawar
< Country > pakistan
* Profession * lecturer
User No # 21701
Total Questions Posted # 2
Total Answers Posted # 6

Total Answers Posted for My Questions # 2
Total Views for My Questions # 7922

Users Marked my Answers as Correct # 34
Users Marked my Answers as Wrong # 13
Questions / { muhammad zubair }
Questions Answers Category Views Company eMail

In radioactive dating we use half life to determine the age of a sample but not average life why?

 1 Nuclear Physics 3755

What is meant by the rest mass energy of an electron?

 1 Nuclear Physics 4167



Answers / { muhammad zubair }

Question { 4474 }

In physics WHY WE USE MATHEMATICAL STEPS to describe
many theorems


Answer

When we want to study quantitatively physical problems,we
use mathemtics

Is This Answer Correct ?    4 Yes 0 No

Question { 5104 }

I have energy of (220V*1A=)220W. I want to convert it into
(12V*15A=)180W. Is this possible? If yes, then how?


Answer

Use a step down transformer in combination with amplifier
circuit

Is This Answer Correct ?    2 Yes 0 No


Question { 6353 }

what is nucleus?


Answer

This is a region in atom within which protons and nuetrons
r confined by strong forces

Is This Answer Correct ?    12 Yes 4 No

Question { 3972 }

Name the Women scientist who has played the pivotal role in
the development Missile technology of India and nick named
as "Missile Woman".


Answer

Tessy thomas

Is This Answer Correct ?    5 Yes 4 No

Question { IIT, 4909 }

graph between frequency of photon and velocity of photo
elrectron?


Answer

Graph is a straight line

Is This Answer Correct ?    5 Yes 3 No

Question { 4475 }

what is the importance of frequency?


Answer

There r some physical qtantaties in nature that vary
periodically.For example the amplitude of waves.Frequency
is the number of periodic variations per second.So periodic
physical quantaties must be described by the term"frequency"

Is This Answer Correct ?    6 Yes 2 No