General Science MCQs Part IV
91 What colour do we see in a room where there is no light?
No colour at all
92 An aeroplane is said to have crossed the sound barrier if it travels at or beyond a certain speed. What is this speed per hour?
750 miles/hour
93 How many kinds Friction has?
Two (2)
94 The TWO kinds of Friction are
Sliding and Rolling friction
95 Friction between the substances of same kind is
More
96 Coal is the remains of
Ancient animals and plants
97 Pure Silver does nit tarnish in pure air. When it turns black that is a sign that there is _______ in the air.
Sulphur
98 Planets of the Solar System shines with the light of
The sun
99 The stars twinkles because of
The disturbances in the atmosphere of different densities
100 The Two personalities that invented submarine are
Drebbel and D. Bushnell
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