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Let the original fraction be = x/y According to the question, (x + 25)/(y x 10) = (x/y) x (135/100) (x + 25)/10y = (27x/20y) Or, 270xy = 20xy + 500y Or, 250xy = 500y Or, x = 2 So, numerator of the original fraction = 2
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...
Which of the following is NOT a vector quantity?
The resistance of the human body (dry condition) is of the order of –
An electric motor converts _____ energy to mechanical energy.
A sample contains equal numbers of two isotopes X and Y, each with half-lives of 10 days and 20 days respectively. What is the ratio of activities Aₓ ...
Magnetic susceptibility of a diamagnetic material is:
What is the unit of electric current?
A new technology which provides the ability to create an artificial world and have people interact with it is called –
The shape of our Milky Way galaxy is
What was invented by 'Zacharias Janssen'?
