Question
मुल्तानी मिट्टी के
उत्पादन में राजस्थान का देश में कौन-सा स्थान है ?Solution
The correct answer is D
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
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A train approaches a stationary observer with a speed of 36 km/h. It emits a sound of frequency 500 Hz. If the speed of sound is 340 m/s, what is the ap...
