Speed of the first train = [180/15] m/sec = 12 m/sec Speed of the second train = [180/30] m/sec = 6 m/sec Speed = (12 + 6) m/sec = 18 m/sec Required time = (180 + 180)/18 sec = 20 sec
Which law explains why it is difficult to hammer a nail into a freely suspended wooden frame?
What is found in frequency modulation?
Which of the following pairs of phenomena illustrate the particle nature of the electromagnetic radiation?
The ratio of the total distance traveled by a body to the total time taken is its:
The process involved in making soap is
Two long parallel conductors are placed 8mm apart from each other carrying a current of 120 Amperes. What will be force per meter length of each one?
Which instrument is used to measure the moisture content in the air?
In the equation of motion ( v = u + at ), ( u) represents:
The absolute temperature of a body A is five times that of another body B. For two bodies, the difference in wave lengths at which energy radiated is ma...
