The correct answer is B
How is the slope of the production possibility curve (PPC) described?
Which of the following is the best fire-extinguisher?
A dynamo is primarily used to convert:
What is the work done by a force when the angle θ is 90 degrees?
Which of the following layers of the atmosphere makes Radio Communication possible?
‘Therm' is the unit of –
In which material does sound travel the fastest?
Which statement is true regarding infrasound?
Which pioneer scientist used radio waves to transmit signals over distances of several kilometres in the 1890s?
Heat stored in water vapour is –
