The given data is Magnification, M = 15
Length of the tube , L = 16 cm
The focal length of the lens can be calculated by:
M = L/F
Substituting the value, we get:
15 = 16/f
f = 16/15
f = 1.067 cm
Using the equation of magnification we get,
M = v/u
Substituting the values we get:
15 = v/u
v = 15 u
With the help of lens formula, calculate the object distance:
1/f = 1/v + 1/u
Substituting the value we get,
1/1.067 = 1/15u + 1/u
0.937 = 1.067/u
u = 1.13 cm or 1.1 cm.
Hence, the object distance is 1.1 cm.
First one is C, second one is B, third one is C
The correct answer for this question is 'Mouth, Stomach, Small Intestine'.
what is Digestion?
Digestion is the process of breakdown of large insoluble food molecules into small water soluble molecules for absorption is called as digestion
The digestion of Carbohydrates usually takes place in small intestine but the digestion process starts in the mouth by the help of salivary amylase present in the saliva. The complete digestion takes place in small intestine with the help of pancreatic enzymes called α-glucosidase and amylase
The protein digestion takes place in the stomach as the Ph conditions are favourable for the digestion of proteins the stomach walls release pepsin enzyme for the synthesis of proteins the protein digestion also takes place in small intestine.
Lipids are mostly digested in the small intestines by the help of bile and pancreatic lipases the lipids get broken down to fatty acids and monoglycerides for easier absorption this process of breaking down fats is called as Emulsification
Learn more about Digestion by clicking here :
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Natural selection or survival of the fittest can cause a major evolution as the species at risk need to stay alive and therefore need to become more adapted to the situation at hand. The species can evolve through generations to become more crafted to the predatorial habits of their predators. If the females are less at risk than the males then the males might evolve to become more protected or if some of the species live in a different situation maybe not even that far away, that can have a big impact on the evolutionary habits of the species at hand.
I hope I'm right
