Thursday, October 25, 2007

practice test (electromagnetic induction and electromagnetic waves) plus two

view physics practice question relavent to plus two physics students (electromagnetic induction and electromagnetic waves)

Tuesday, October 23, 2007

Practice question paper (magnetism) plus two

view pratice question paper relavent to plus two physics students (magnetism)

Friday, October 19, 2007

Monday, October 15, 2007

Tuesday, June 5, 2007

Win rewards for answering science questions.

You can win rewards by helping others by answering their science problems. For more details and for joining free for this noble cause of helping others CLICK HERE.

Friday, April 6, 2007

Clear your concepts - 1 (plus two - electrostatics)

If you are preparing for enterance exams like AIEEE, IIT-JEE, AIIMS, etc. then your concepts should be very very clear. To clarify your concepts keep answering the questions that will appear in this series of clear your concepts.

1. What is the minimum value of permittivity?
2. What is the minimum value of relative permittivity?
3. Does coulomb force between two charges depends upon the presence of other charges in their neighbourhood?
4. Can the charge distribution be really continuous in strictest sense of term?
5. It is difficult to carry out electrostatic experiments on humid days. Why?
6. A negatively charged rod attracts a suspended object. Can we conclude that the object is positively charged?
7. Repulsion is the sure test of electrification. Explain.
8. Name the properties of charge in which differs from mass.
9. What is the value of 4πε0 ?
10. What is the value of 1/4πεr?

Sunday, March 25, 2007

key to MCQ's (multiple choice questions) for competitions-2

Following is the key to the multiple choice questions at http://sanjaymodi.wordpress.com dated march 24, 2007: 1.b 2.a 3.b 4.b 5.d 6.c 7.b 8.c

CLICK HERE to view the questions