Lymph | Blood | ||
|---|---|---|---|
| 1. | It is a colourless fluid that does not contain RBCs. | 1. | It is a red-coloured fluid that contains RBCs. |
| 2. | It contains plasma and lesser number of WBCs and platelets. | 2. | It contains plasma, RBCs, WBCs, and platelets. |
| 3. | It helps in body defence and is a part of the immune system. | 3. | It is associated with the circulation of oxygen and carbon dioxide. |
| 4. | Its plasma lacks proteins. | 4. | Its plasma has proteins, calcium, and phosphorus. |
| 5. | It transports nutrients from the tissue cells to the blood, through lymphatic vessels. | 5. | It transports nutrients and oxygen from one organ to another. |
| 6. | The flow of lymph is slow. | 6. | The flow of blood in the blood vessels is fast. |
Figure 8.9 shows the strain-stress curve for a given material. What are (a) Young’s modulus and (b) approximate yield strength for this material?

Two identical ball bearings in contact with each other and resting on a frictionless table are hit head-on by another ball bearing of the same mass moving initially with a speed V. If the collision is elastic, which of the following (Fig. 5.14) is a possible result after collision ?
