Question
Which of the following crop is known as biological
ploughSolution
Arhar has deep root system due to which it is known as biological plough
What is the descending order of these radiations based on their frequencies?
How much calorie of energy is released by a boiled egg?
When two charged bodies are properly connected but do not exchange electric current, it indicates that they have the same _____.
 Photovoltaic cells are:Â
Which of the following layers of the atmosphere makes Radio Communication possible?
What is termed as 'mechanical energy' in physics?
Which of the following circuit elements is used to 'block' DC in an electronic circuit?
Which of the following is the best fire-extinguisher?
The method of transfer of heat in liquid is
The amplitude of the sound wave depends on the