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ATQ, Let the speed of boat in still water be x km/hr Speed of stream = y km/hr Speed upstream = (x - y) km/hr (x - y) = 35/2 = 17.5 ----(1) Speed downstream = (x + y) km/hr (x + y) = 35/7 = 5 ----(2) From (1) and (2), we get x = 11.25 km/hr Speed of boat in still water = 11.25 km/hr
What is the equilibrium distance for Hydrogen atoms?
When cathode rays strike a target of high atomic weight, they give rise to:
A galvanometer is used to:
The device which transfer the signal from low resistance region to high resistance region is –
Rod of which of the following metal is used in nuclear reactors to slow down the speed of the neutrons?
Ball pen functions on the principle of :
Consider the following statements. Hypermetropia is a defect of vision in which:
In which form is iron ore primarily found in nature?
The process of gaining electrons is known as:
Which of the following has the lowest ionization enthalpy?
