Search found 186 matches

by photon
Sun Feb 06, 2011 1:28 pm
Forum: Physics
Topic: colour of fire
Replies: 6
Views: 1747

colour of fire

We get fire in different colours .Sometime it is blue or like yellow, also red and u may see green........
But what's the reason of having different colours???? :?
by photon
Sat Feb 05, 2011 7:49 pm
Forum: Higher Secondary Level
Topic: pi
Replies: 3
Views: 1446

Re: pi

We can get it through equations of motion. Suppose there is a circle road while we can move a car with on the circumference. Now,by multiplying the speed and time (WHICH'S TAKEN WITH A PERFECT MOVE) ,we get the displacement (circumference).We can get the diameter easily.So...... But there's some (gr...
by photon
Sat Feb 05, 2011 4:30 pm
Forum: H. Secondary: Solved
Topic: Rangpur Higher Secondary 2011/9
Replies: 3
Views: 3652

Re: Rangpur Higher Secondary 2011/9

third integer will be odd. how did you get your ans...?
by photon
Sat Feb 05, 2011 4:05 pm
Forum: Secondary: Solved
Topic: Rangpur Secondary 2011/4
Replies: 4
Views: 1926

Re: Rangpur Secondary 2011/4

can't it be 20>x>8....according 2 ABC??
by photon
Sat Feb 05, 2011 3:55 pm
Forum: Secondary: Solved
Topic: Dhaka Secondary 2011/6
Replies: 13
Views: 9320

Re: Dhaka Secondary 2011/6

how 2 get similarity???
by photon
Sat Feb 05, 2011 3:55 pm
Forum: Secondary: Solved
Topic: Dhaka Secondary 2011/6
Replies: 13
Views: 9320

Re: Dhaka Secondary 2011/6

i find ABD isosceles.how did you get ABC as isosceles?