Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days
8104911739
For Business Enquiry

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

Ask CBSE Class 12 Science question free ×

Queries asked on Sunday and after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.

  • CBSE×
  • Class 12 Science×
Home /Doubts and Solutions/CBSE/Class 12 Science

CBSE Class 12 Science Free Doubts and Solutions

CBSE - XII Science - Mathematics

 


3 vector are vector a, vector b and vector c like as vector a + vector b + vector c=0; if mod vector a =1, mod vector b=4 and mod vector c=2 , then find out the expreation of mio( mu)=vector a dot vector b + vector b dot vector c + vector c dot vector a

Asked by broy31122002 19th June 2019, 10:21 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Chemistry

Please answer this question.

qsnImg
Asked by dineshchem108 19th June 2019, 9:19 PM
Answer this question

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Physics

Two identical spheres carrying charges of +9 micro coloumb and -9micro column.find the electric dipole moment.The separation between them is 5×10raise to-6

Asked by Hajasam 19th June 2019, 8:23 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Physics

Ten electron have been removed from each atom to form ions.find the electrostatic force between two such ions when separated by a distance of 4A in a medium of dielectric constant 4?

Asked by bablukumarbablukumar255 19th June 2019, 1:59 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Physics

A concave mirror produces a real image and the virtual image of the same magnification at distance of 0.12 m and 0.08 m respectively. The radius of curvature of mirror is

Asked by viharikashankar 18th June 2019, 10:42 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Physics

Calculate the Coulomb's force between two alpha particals separated by distance of 3.2×10^-15m

Asked by bablukumarbablukumar255 18th June 2019, 6:50 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Physics

Electricflux=E.A problem how to solve 

Asked by senthilaniruddh1484 18th June 2019, 11:05 AM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Chemistry

Does CBSE provide logarithm table in board exam of chemistry class 12 solve the questions that have log function ?

Asked by govtsecschoolnayaganv051 17th June 2019, 10:04 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics - Inverse Trigonometric Functions

If y^x = e^(y-x) then prove dy/dx = (1+logy)^2/logy

qsnImg
Asked by ranaakshat345 17th June 2019, 1:28 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Physics

If the distance between two equal points charges is doubled and their individual charges are also doubled,what would happen to the force between them?

Asked by bablukumarbablukumar255 17th June 2019, 12:19 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

Browse free questions and answers by Subjects

Latest Questions

Chat with us on WhatsApp