What are the properties of matter?
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Which of the following explains best summarizes the dark matter?
The matter that is identified by its gravitational properties only, not by observation through any electromagnetic wave in the spectrum.
The matter found in the darker areas of the universe where nothing can be seen.
The matter, that is made up of black holes
Which statement related to particle and wave properties of matter is correct?
a) Particles exhibit diffraction while waves do not.
b) A wave travels straight through a slit.
c) Particles interfere constructively and destructively whereas waves do not.
d) Interference patterns are observed when a wave passes through a barrier with two slits.
according to the kinetic molecular theory particles of matter.
(a) Particles of matter are small
(b) they are in random motion
(c) they donot have space between them
(d) both a and b
