Qn $2.$ While measuring a field, the light intensity for $650$nm was $100$ lux near the start of the field,

and $50$ lux near the middle, while that for $800$nm was $120$ lux near the start of the field $500$

lux near the middle of the field.

i$.$ Determine the Normalized Differential Vegetative Index for the two locations $8$pts

ii$.$ What can you conclude about what was observed in the field? $1$pt