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Recent Developments in Physics One Mark Questions with Answer

12th Standard

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Physics

Time : 00:30:00 Hrs
Total Marks : 10
    10 x 1 = 10
  1. The particle size of ZnO material is 30 nm. Based on the dimension it is classified as _____.

    (a)

    Bulk material

    (b)

    Nanomaterial

    (c)

    Soft material

    (d)

    Magnetic material

  2. Which one of the following is the natural nanomaterial.

    (a)

    Peacock feather

    (b)

    Peacock beak

    (c)

    Grain of sand

    (d)

    Skin of the Whale

  3. The blue print for making ultra durable synthetic material is mimicked from _____.

    (a)

    Lotus leaf

    (b)

    Morpho butterfly

    (c)

    Parrot fish

    (d)

    Peacock feather

  4. The method of making nanomaterial by assembling the atoms is called _____.

    (a)

    Top down approach

    (b)

    Bottom up approach

    (c)

    Cross down approach

    (d)

    Diagonal approach

  5. “Sky wax” is an application of nano product in the field of _____.

    (a)

    Medicine

    (b)

    Textile

    (c)

    Sports

    (d)

    Automotive industry

  6. The materials used in Robotics are _____.

    (a)

    Aluminium and silver

    (b)

    Silver and gold

    (c)

    Copper and gold

    (d)

    Steel and aluminum

  7. The alloys used for muscle wires in Robots are _____.

    (a)

    Shape memory alloys

    (b)

    Gold copper alloys

    (c)

    Gold silver alloys

    (d)

    Two dimensional alloys

  8. The technology used for stopping the brain from processing pain is _____.

    (a)

    Precision medicine

    (b)

    Wireless brain sensor

    (c)

    Virtual reality

    (d)

    Radiology

  9. The particle which gives mass to protons and neutrons are _____.

    (a)

    Higgs particle

    (b)

    Einstein particle

    (c)

    Nanoparticle

    (d)

    Bulk particle

  10. The gravitational waves were theoretically proposed by _____.

    (a)

    Conrad Rontgen

    (b)

    Marie Curie

    (c)

    Albert Einstein

    (d)

    Edward Purcell

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