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| Publisher | Laxmi Publications All Class 9 Science books by Laxmi Publications |
| ISBN | 9789385935190 |
| Author: | Dr. N. K. Sharma, Sarita Singh, Balbir Singh |
| Number of Pages | 72 |
| Available | Available in all digital devices |
Keeping in mind the broader comprehensive needs of subject knowledge we have put in our best efforts in this book. Science is learned best by doing. We can understand the principles of science by doing experiments. Therefore, the practical work in the laboratory is an essential part of the student’s life.
Experiment 1. To Establish A Relationship Between The Weight Of A Rectangular Wooden Block Lying On A Horizontal Table And The Minimum Force Required To Just Move It Using A Spring Balance.
Experiment 2. To Verify The Laws Of Reflection Of Sound.
Experiment 3. To Determine The Density Of a Solid (Denser Than Water) By Using A Spring Balance And A Measuring Cylinder.
Experiment 4. To Establish The Relation Between The Loss In Weight Of A Solid When Fully Immersed In (I) Tap Water (Ii) Strongly Salty Water, With The Weight Of Water Displaced By It By Take at Least Two Different Solids.
Experiment 5. To Observe And Compare The Pressure Exerted By A Solid Iron Cuboid On Fine Sand Or Wheat Flour While Resting On Its Three Different Faces And To Calculate The Pressure Exerted In The Three Different Cases.
Experiment 6. To Determine The Velocity Of A Pulse Propagated Through A Stretched String/Slinky.
