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12th Standard English Medium Physics Subject Recent Developments in Physics Creative 1 Mark Questions with Solution Part - I Question Bank Software Jun-18 , 2021

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12th Standard English Medium Physics Subject Recent Developments in Physics Creative 1 Mark Questions with Solution Part - I

12th Standard English Medium Physics Subject Recent Developments in Physics Creative 1 Mark Questions with Solution Part - I

12th Standard

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Physics

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5

  1. If the particle of a solid is of size less than 100 nm, it is said to be a ____________

    (a)

    Nano particle

    (b)

    Nano bytes

    (c)

    Nano solid

    (d)

    Nano technology

  2. _______ is synthesized top down approach

    (a)

    Ball milling

    (b)

    Plasma etching

    (c)

    lithography

    (d)

    Ball milling and lithography

  3. George Devel invented the first digitally operated programmable robot called ____________.

    (a)

    Unimate

    (b)

    Robotics

    (c)

    Motors

    (d)

    Generators

  4. The size of the Nano robots is reduced to ________ level to perform a task in very small space.

    (a)

    Macroscopic

    (b)

    Robots DNA

    (c)

    Microscopic

    (d)

    Bacteria

  5. In __________ it was established that atoms are made up of electrons, protons and neutrons

    (a)

    1945

    (b)

    1923

    (c)

    1930

    (d)

    1927

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