Who among the following is the President of Republic of the Union of Myanmar?
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In the National Flag of India, Ashoka Chakra is a ________ spoked wheel.
Who coined the term "Ecology"?
When a number of resistors are connected in series in a circuit, the value of current:
What is the unit of the physical quantity Entropy?
If speed of rotation of the earth increases, the weight of the body
A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.
A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is