What is Vector? Scalar quantities are quantities that have only magnitudes such as time, area and distance. Vector quantities are quantities that have both magnitudes and directions such velocity...
How are nuclear radiations detected and measured? Discuss one method.The equipment utilised for the detection and measurement of radiation commonly employs some type of substance or material that responds...
If the roots of the equation a(b-c) x^2+b(c-a)x+c(a-b)=0 are equal then prove that 1/a + 1/c = 2 /b Solution : Since roots of the equation are equal, value of discrinant is zero. Which give...