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The first Backward Classes Commission was appointed in 1953 with Kaka Kalelkar as its chairman. It was set up to determine the criteria for identifying socially and educationally backward classes.
Which of the following materials is used for the generation of ultrasonic waves by using magnetostriction effect?
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
Water flows in a horizontal pipe of non-uniform area of cross-section at a pressure difference of 1.6 cm of mercury. If the velocity of water at the la...
The movement of a train is an example of what type of motion?
The colour of sky appears blue due to –
What is the work done by a centripetal force on an object moving in a circular path at constant speed?
The SI unit of mechanical power is:
Which device is best suited for measuring the temperature inside metallurgical furnaces?
A potentiometer wire of length 1 m has a resistance of 5 Ω. It is connected to a 6 V battery in series with a resistance of 10 Ω. Determine the emf ...
Ultrasonic waves, propagating through a medium, can be detected by: