Questions and Answer Keys : Physical Pharmacy II Unit II

10 Marks:

1. Write a detailed note on Non-Newtonian Systems.

2. Write a detailed note on the Deformation of Solids.

05 Marks:

1. What is thixotropy, and what are its applications in pharmaceutical formulations?

2. Could you draw and explain the functioning of a falling Sphere viscometer?

3. Can you draw and explain the operation of falling rotational viscometers?

4. Write a short note on Newtonian systems.

05 Marks:

1. What is kinematic viscosity?

2. How does temperature affect viscosity? Explain with an example.

3. What is negative thixotropy?

4. Could you explain the operation of a capillary viscometer?

5. Define plastic and elastic deformation.