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The correct answer is A
What is the cause of hypermetropia?
Water Turbine was invented by ________ .
What is the SI unit for measuring electric current?
Photovoltaic cells are:
The hormone related to drought tolerance is-
The loudness of the sound depends upon
This relationship between the angles of incidence and refraction and the indices of refraction of the two media is known as ________.
Which pioneer of the late 19th century is credited with using radio waves for signal transmission over several kilometers?
Which Metal is found in the highest proportion in earth’s crust?
Consider the following statements:
1. A flute of smaller length produces waves of lower
2. Sound travels in rocks in the form of longitudi...