1) The least count of screw gauge is a. 0.1 mm b. 0.01 mm c. 0.2 mm d. 0.02 mm
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2) Non-zero digits are always a. significant b. non-significant c. worthless d. none of above
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3) The quantities based on which other quantities are expressed are called a. prefixes b. base quantities c. derived quantities d. quartile quantities
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4) The study of the production, properties of the iconic state of matter is called a. atomic physics b. plasma physics c. mechanics d. nuclear physics
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5) To measure the time interval of an event, we use a. screw gauge b. physical balance c. Vernier calipers d. stop watch
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6) A modified type of beam balance used to measure small masses by comparison with greater accuracy is known as a. Vernier calipers b. stop watch c. physical balance d. screw gauge
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7) Amount of a substance in terms of numbers is measured in a. gram b. kilograms c. mole d. newton
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8) While measuring length the eye must be kept a. above the scale b. at an acute angle c. horizontal with scale d. none of above
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9) To measure small lengths such as the diameter of a wire, the thickness of a metal sheet, etc. We use a. physical balance b. screw gauge c. Vernier calipers d. stop watch
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10) The study of the nature of heat, modes of transfer and effects of heat is studied under the branch named as a. mechanics b. Light c. heat d. atomic physics
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11) The prefixes are useful to express a. very small quantity only b. very large quantity only c. derived units d. very small and large quantities
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12) By using prefixes, we can write 32 × 10-10 kg as a. 0.32 µg b. 32 µg c. 3.2 µg d. 320 µg
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13) The significant digits in 0.058 are a. 3 b. 4 c. 2 d. 0
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14) The study of internal structure of earth is a. geophysics b. electricity and magnetism c. mechanics d. thermodynamics
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15) The units used to measure derived quantities are known as a. square units b. derived units c. base units d. scalar units
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16) The study of the structure and properties of matter is called a. atomic physics b. mechanics c. plasma physics d. geophysics
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17) The international system of units is commonly referred as a. SI b. ISU c. SU d. IU
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18) We study the physical aspects of sound waves, their production, properties and applications under the branch named as a. sound b. atomic physics c. plasma physics d. heat
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19) The significant digits in 275.00 are a. 2 b. 3 c. 5 d. 4
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20) The least count of the screw gauge is a. 1 mm b. 0.5 mm c. 0.01 mm d. 0.001 mm
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