Question
Who measured the velocity of light first?
Solution
Galileo is often credited with being the first scientist to try to determine the speed of light. Galileo's experiment was carried out by the Accademia del Cimento of Florence, Italy, in 1667, with the lanterns separated by aboutonemile, but nodelaywas observed.The actualdelayinthisexperimentwouldhavebeen about 11 microseconds. The first quantitative estimateofthespeedalightwasmadein1676by Romer.
Chemical formula of single superphosphate is:
FIRB method of planting is followed in which crop?
The substance that is added to make natural rubber strong and more bouncy is-
Soil incorporation of herbicide decomposed by sunlight should be done
A loan which is given for time period of 15 months and could be utilized for purchasing of seeds and fertilizers is known as__________
Cultivation of crops in areas receiving annual rainfall more than750 mm but less than 1150 mm is known as
Which irrigation method is suitable for cotton grown in heavy soils like clay and loam, reducing water usage by 50%?
The product of pedigree selection is
For green manuring sunhemp can be sown duringÂ
Extending over Rajasthan, West of the Aravalis, this region has an erratic rainfall of an annual average of less than 25 cm. Bajra, jowar, and mot...
