What is meant by one-one function?

What is meant by wave-function? What is its significance ?

What is meant by noise pollution? Name one source of sound causing noise pollution.

What is meant by functional isomerism ? Explain with an example.

Which one of the following graphs represent a one-one function? (FIGURE)

What is meant by sound ranging ? Give one use of sound ranging,

Let f: R-{n}->R be a function defined by f(x)=(x-m)/(x-n) such that m!=n 1) f is one one into function2) f is one one onto function3) f is many one into funciton4) f is many one onto function then

What is meant by circular motion? Give one example.

What is meant by 'disproportionation'? Give one example of disproportionation reaction in aqueous solution.

If f: A->B and g: B->C are one-one functions, show that gof is one-one function.

If f: AvecBa n dg: BvecC are one-one functions, show that gof is one-one function.