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The correct answer is B
A satellite is orbiting Earth at a height where acceleration due to gravity is 5 m/s². If radius of Earth is 6400 km, what is the orbital radius?
Which of the following is also known as dry ice
Noise is measured in –
Who explained the structure of protein?
Which of the following is a process in which water from any source change into vapour state ‘due to heat’?
A 60 W lightbulb is connected to a 120V power source. What is the resistance of the bulb?
What is the function of the liver in the human body?
Which of the following is an example of mutualism?
Atomic size refers to the _______ of an atom.