What is the difference between fundamental dimensions and derived dimensions?
What will be an ideal response?
Fundamental dimensions are those which cannot be reduced further. They
represent the primary way of taking measurements. Mass, length, time, and
temperature are the fundamental dimensions. Derived dimensions describe
various parameters having fundamental dimensions but either multiples, ratios,
or other combinations of the fundamental dimensions.
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The corona and chromosphere of the sun are believed to be heated by
a. shock waves rising from below the photosphere. b. the solar wind. c. sunspots. d. high energy particles being accelerated by the sun's magnetic field. e. differential rotation.
Pressure in a Liquid: A container has a vertical tube, whose inner radius is 24.00 mm, connected to it at its side, as shown in the figure. An unknown liquid reaches level A in the container and level B in the tube-level A being 5.0 cm higher than level B. The liquid supports a 20-cm high column of oil, between levels B and C, whose density is 570 kg/m3. The mass of the oil is closest to
A. 210. B. 410. C. 620. D. 820. E. 1000.
Our Moon is in a 1:1 synch, with a lunar rotation equaling an Earth year
Indicate whether the statement is true or false
Which of the following statements is incorrect?
What will be an ideal response?