Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Scissor is a __________ kind of lever
a. | First | b. | Second | c. | Third | d. | None |
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2.
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Unit of capacitor
a. | Newton | b. | Meter | c. | Farad | d. | Joulr |
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3.
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Current is a ________ quantity
a. | Scalar | b. | Vector | c. | Neutral | d. | All
above |
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4.
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Gamma rays consist of __________ particles
a. | Positive | b. | negative | c. | Neutral | d. | None |
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5.
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Number of derived unit is _________ ?
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6.
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Distance covered in unit time is called _________ ?
a. | Speed | b. | Torque | c. | Vilocity | d. | Displacement |
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7.
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In SI system value of g is _________ ?
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8.
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Quantity of matter in a body is called ________
a. | Mass | b. | Weight | c. | Newton | d. | Force |
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9.
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Rolling friction is always ____________ than limitting fricting
a. | Greater | b. | Less | c. | Equal | d. | None |
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10.
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Unit of friction is _______
a. | Newton | b. | kilogram | c. | None | d. | Meter |
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11.
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Newton first law of motion is also known as _______
a. | Momentem | b. | Energy | c. | Force | d. | Inertia |
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12.
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The quanities for which we need their magnitude as well as unit are
called
a. | Vector | b. | Scalar | c. | Derived | d. | Base |
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13.
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The quantites to understand them we need their magnitude , unit and direction
are called ____
a. | Vector | b. | Scalar | c. | Base | d. | Derived |
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14.
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A transparant body having three sides rectangular and two sides triangular is
called _______
a. | Opaque | b. | Transparent | c. | Prism | d. | Telescope |
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15.
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Number of proton in neuclus is called______
a. | Atomic number | b. | Mass number | c. | Atomic mass
number | d. | Avogadro number |
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16.
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Emition of radiation from nucleus is called _______
a. | Radioactivity | b. | Fission | c. | Fusion | d. | None |
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17.
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Atom having same atomic number but different mass number is called
a. | Iesotopes | b. | Molecule | c. | Atom | d. | All
above |
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18.
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Hydrogen has ________ iesotopes .
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19.
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What is speed of light ?
a. | 3 ×
106 | b. | 3 ×
108 | c. | 3 ×
10-6 | d. | 3 ×
105 |
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20.
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N type material consists of ________
a. | Electron | b. | Holes | c. | Molecules | d. | Atom |
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21.
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Thin portion of transister is called __________
a. | Base | b. | Hole | c. | Electron | d. | Middle |
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22.
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Which reaction takes place in stars and sun ?
a. | Fission | b. | Fusion | c. | Radiation | d. | Fire |
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23.
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When light enters from denser to rare medium and angle of incidance is equal
to angle of reflection forming 900 with each other then it is called _________
a. | Reflection | b. | refration | c. | Critical
angle | d. | Acute angle |
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