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Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by custorners who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
Indirect contact heat exchangers are preferred over direct contact heat exchangers, because
We feel cool when we sit near the fan, this is because
The closest meaning of the word 'bizarre' in the sentence: that they created quite a sensation ' is ---
Ascending tracts carrying touch sensation are
Pressure sensation is detected by the
Fast pain sensation
Pain sensation
Consider the electromagnetic radiations having wavelengths 200 nm, 500 nm and 1000 nm. Which wavelength (s) of the following can make visual sensation to a human eye?