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8th Physics - 1 - Measurement
  • Sghv A.Vethathiri devi 5th A

  • 問題数 20 • 8/7/2024

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    問題一覧

  • 1

    Which one of the following system of unit is the British system of unit?

    FPS

  • 2

    Luminous intensity is the intensity of

    visible light

  • 3

    Which one of the following statement is wrong?

    Approximation gives accurate value

  • 4

    SI unit of temperature is

    kelvin

  • 5

    Electric current is a _______ quantity

    base

  • 6

    Closeness of two or more measured values is called as

    precision

  • 7

    The solid angle is measured in

    steradian

  • 8

    ______ is used to measure electric current

    ammeter

  • 9

    The uncertainty in measurement is called as

    error

  • 10

    One mole of a substance contains ______ atoms or molecules.

    6.023×10

  • 11

    The coldness or hotness of a substance is expressed by

    temperature

  • 12

    The closeness of the measured value to the original value is

    accuracy

  • 13

    The intersection of two straight lines gives us

    plane angle

  • 14

    Temperature is a measure of total kinetic energy of the particles in a system

    false

  • 15

    Amount of substance gives the number of particles present in a substance

    true

  • 16

    Quartz clocks are used in GPS devices

    false

  • 17

    If one coulomb of charge is flowing in one minute, it is called 'ampere'

    false

  • 18

    Intensity of light coming from a candle is approximately equal to one 'candela'

    true

  • 19

    Angle formed at the top of a cone is an example for plane angle

    false

  • 20

    The number 4.582 can be rounded off as 4.58

    true