Question
Define Tyndall effect.
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Which one of the following crops require a minimum quantity of NPK or urea for its proper growth paddy, peas, wheat, sugarcane.
A person has a hearing range from 20Hz to 20kHz. What are the typical wavelengths of sound waves in air corresponding to these two frequencies? Take the speed of sound in air as 344ms–1 .
What are the two types of striated muscle fibres?
| Time (in sec.): | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
| Velocity (in m/s): | 2 | 4 | 6 | 8 | 10 | 12 | 14 |