What is the difference between amorphous solids and crystalline solids?
What will be an ideal response?
Amorphous solids tend to be homogenous, continuous solids not having distinct
regular lattices or crystals so that the atoms or molecules are not distinctly
bound to other atoms or molecules. Crystalline solids do have regular lattice
structures with bonds between atoms or molecules forming these lattices which
can many times be observed and measured. Cubic crystalline structures and
amorphous solids both are common in engineering and technology.
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How do a prominence and a flare differ?
A. A prominence is brief, bright eruption in the chromosphere; a flare is a tenuous flow of hydrogen and helium that sweeps across the Solar System. B. A prominence is a huge plume of glowing gas trapped in the Sun's magnetic field; a flare is a brief, bright eruption in the chromosphere. C. A prominence is a jet of hot gas thousands of kilometers long; a flare is an immense bubble of hot gas rising from deep within the Sun. D. There is no difference between a prominence and a flare.
A concave mirror has a radius of curvature of 1.0 m. An object is placed 2.0 m in front of the mirror. Determine the location of the image (in cm)
a. 130 b. 83 c. 67 d. 150 e. 200
The force of kinetic friction between two surfaces is dependent on the relative speed of the two surfaces
Indicate whether the statement is true or false
The zonal flows giving rise to the belts and zones are similar to the jet streams in our own stratosphere
Indicate whether the statement is true or false