Which bacteria can survive in water at temperatures exceeding $100 \, ^\circ C$?

The diode used in the circuit shown in the figure has a constant voltage drop of $0.5 \, V$ at all currents and a maximum power rating of $100 \, mW$. What should be the value of the resistor $R$,connected in series with the diode,to obtain the maximum current?

When phenyl magnesium bromide reacts with $t-$butanol,the product would be

Which one of the following orders is correct for the bond dissociation energies of halogen molecules?

Keystone species deserve protection because these

The distance of the point $(1, 1, 9)$ from the point of intersection of the line $\frac{x-3}{1} = \frac{y-4}{2} = \frac{z-5}{2}$ and the plane $x+y+z=17$ is