Explain the physical meaning of poissons ratio

We got this question in the examination yesterday,

"Shed some insight into the play's depiction of the chakari or trash practice; the profession is one of the most important aspects of a person's existence. You have ever noticed that some individuals do chakari or trash that is just done for a momentary benefit - be it private or public organizations, while others have faith in their knowledge, talent, and aptitudes and get name,...

Minds unite in Mattrab's domain,

Questions asked, wisdom to gain.

A community's bond, knowledge's reign,

Inquiry sparks, enlightenment's terrain.

निराशा

जीवनमा पलाएका ती नौलो आशाहरू,
पूरा हुन नपाई बिलाई सकेछ ।
याँहा को छर आफनो भनेर बोलाउ,
आफनो भनने सबै पराई भई सकेछ ।
हृदयमा फुलेका ती परितका फुल,
तिमरो माया नपाई आोईलि दिएछ ।
फकरिन लागेको आशाको दियो पनि
निराशाको भावमा खाग बनी खरानी भएछ ।।