north and south
south and south
north and north
south and north
Correct answer is C
No explanation has been provided for this answer.
quality
pitch
intensity
loudness
Correct answer is A
Sound "quality" or "timbre" describes those characteristics of sound which allow the ear to distinguish sounds which have the same pitch and loudness
Convex mirrors are used as driving mirrors because images formed are
erect, Virtual and diminished
erect, real and diminished
erect, virtual and magnified
inverted, virtual and diminished
Correct answer is A
No explanation has been provided for this answer.
The differences observed in solids, liquids and gases may be accounted for by
their relative masses
their melting points
the spacing and forces acting between the molecules
the different molecules in each of them
Correct answer is C
No explanation has been provided for this answer.
The process whereby a liquid turns spontaneously into vapour is called
regelation
evaporation
boiling
sublimation
Correct answer is B
No explanation has been provided for this answer.
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