MHT CET (PCB) 2024 22th April Morning Shift

Islets of Langerhans are _________ .

A stone is thrown upward with a speed 'u' from the top of a tower reaches the ground with velocity ' $3 u$ '. The height of the tower is ( $g=$ acceleration due to gravity)

The entropy of vaporisation of benzene is $85 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}$. When 117 g of benzene vaporises at its boiling point, what is entropy change of surrounding if process is at equilibrium?

Which one of the following pair of hormones is NOT antagonistic?

Four masses of $1 \mathrm{~kg}, 2 \mathrm{~kg}, 3 \mathrm{~kg}$ and 4 kg are kept at co-ordinates $(0,0) \mathrm{m},(0,1) \mathrm{m}$ and $(1,0) \mathrm{m}$ respectively. Using the co-ordinates of centre of mass its position vector is

What is the change in internal energy for $2 \mathrm{CO}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{CO}_{2(\mathrm{~g})}$ at $25^{\circ} \mathrm{C}$ ?

( $\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}, \Delta \mathrm{H}=-560 \mathrm{~kJ}$ )