Which was the first commercially developed insecticide?
- AMorphine
- BPyrethrin
- CSporine
- DRotenone
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Which of the following are not electromagnetic waves?
Under which one of the following conditions do real gases approach the ideal gas behaviour?
Suppose the drift velocity $v_d$ in a material varied with the applied electric field $E$ as ${v_d} \propto \sqrt E $. Then $V -I$ graph for a wire made of such a material is best given by
Suppose the drift velocity $v_d$ in a material varied with the applied electric field $E$ as ${v_d} \propto \sqrt E $. Then $V -I$ graph for a wire made of such a material is best given by
The values of a function $f(x)$ at different values of $x$ are given in the table below:
$x$ $0$ $1$ $2$ $3$ $4$ $5$ $f(x)$ $2$ $3$ $6$ $11$ $18$ $27$
Then,the approximate area (in square units) bounded by the curve $y=f(x)$ and the $x$-axis between $x=0$ and $x=5$,using the Trapezoidal rule,is
| $x$ | $0$ | $1$ | $2$ | $3$ | $4$ | $5$ |
|---|---|---|---|---|---|---|
| $f(x)$ | $2$ | $3$ | $6$ | $11$ | $18$ | $27$ |
Then,the approximate area (in square units) bounded by the curve $y=f(x)$ and the $x$-axis between $x=0$ and $x=5$,using the Trapezoidal rule,is
Which one of the following pairs is not correctly matched?
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