1) The formula we use to find stress is
a. area/force b. force/area c. force + area d. force×area
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2) The mass of 150 cm³ of stone is 400 g. Its density is
a. 3.2 g cm-3 b. 2.6 g cm-3 c. 4 g cm-3 d. 3.5 g cm-3
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3) Plasma consists of
a. atoms b. ions c. molecules d. nuclei
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4) A machine which works on Pascal's law is known as
a. Vernier caliper b. Hydraulic press c. barometer d. screw gauge
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5) The matter is made up of
a. atoms b. molecules c. ions d. cations
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6) The distance between the molecules of the liquid are
a. more than solids b. less than solids c. equal to solids d. more than gases
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7) Increasing atmospheric pressure with a decline, later on, predicts an
a. long spell of pleasant weather b. intense weather condition c. no change in weather d. small spell of pleasant weather
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8) At sea level, the vertical height of the water column would be
a. 13.45 m b. 10.34 m c. 11.25 m d. 12.36 m
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9) As the depth of the sensor varies the liquid pressure
a. does not change b. varies accordingly c. increases d. decreases
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10) The force acting normally per unit area on the surface of the body is known as
a. pressure b. power c. stress d. strain
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