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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Vaibhav Singh posted an Question
November 14, 2021 • 00:33 am
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30 points
30 points
- IIT JAM
- Geology (GG)
Please explain
1 Answer(s)
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Saurabh 1 Best Answer
Well this one is quite straightforward. You might be aware of the fact that as temperature increases, viscosity decreases due to loss in cohesion Or the atomic arrangements become weaker and weaker with the passage of time. So, for magma, it's viscosity will increase when temperature will decrease probably. While on the other hand, there isn't any pronounced effect of pressure on viscosity but liquids under extreme pressure often experience an increase in viscosity. So finally combining them, we get to know that increase in magma viscosity is due to--> 1) Decrease in temperature 2) Increase in pressure. Correct option should be (C).