Books

• Comprehensive Practical Physics for Class XI by J.N. Jaiswal and Dr. Rajendra Singh.

• Physics Part-II Textbook for Class XI - NCERT

• A manual of Practical Physics for XI and XII by Prof. E. V. Thomas

Websites

• http://physics.info/viscosity/
• http://www.infoplease.com/encyclopedia/science/viscosity.html
• http://schoolworkhelper.net/what-is-viscosity-application-flow-factors/