Question
Essentiality of which element is discovered by Arnon and
StoutSolution
Arnon and Stout in 1939 discovered the essentiality of Mo
Which statement about Cathode Rays is incorrect ?
How much calorie of energy is released by a boiled egg?
Who discovered the electron?
Panchayat was added to our constitution through which amendment?Â
Sound and light waves both have ___________ .
How does an earphone convert electrical signals into sound?
The loudness of the sound depends uponÂ
Water Turbine was invented by ________ .
What is the pH of Urine ?
Temperature of the Sun is measured by?