11th Physics Guide Tamil. We covered all the 11th Physics Guide Tamil MCQs in this post for free so that you can practice well for the exam.
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11th Physics Guide Tamil Objective for Students
The prefix 'nano' comes from a
(a) French word meaning billion.
(b) Greek word meaning dwarf.
(c) Spanish word meaning particle.
(d) Latin word meaning invisible.
Option b - Greek word meaning dwarf
Which one of these condiments is unique due to the nanoscale interactions between its ingredients?
(a) Ketchup
(b) Mustard
(c) Mayonnaise
(d) All of the above
Option c - Mayonnaise
Nanotechnology, in other words, is
(a) carbon engineering
(b) atomic engineering
(c) small technology
(d) microphysics
Option b - atomic engineering
Who first used the term nanotechnology and when?
(a) Richard Feynman, 1959
(b) Norio Taniguchi, 1974
(c) Eric Drexler, 1986
(d) Sumio Iijima, 1991
Option b - Norio Taniguchi, 1974
Which of the following does not apply to nanotechnology?
(a) It is a general-purpose technology.
(b) It can be called Green technology.
(c) Newtonian mechanics can describe it.
(d) It involves the rearrangement of atoms.
Option c - Newtonian mechanics can describe it
Where is the center of nanotechnology?
(a) Kolkata (SN Bose National Centre for Basic Sciences)
(b) Pune (Tata Institute of Fundamental Research)
(c) Dehradun (SN Bose National Centre of Basic Science)
(d) None of the above
Option a - Kolkata (SN Bose National Centre for Basic Sciences)
The tensile strength of a carbon nanotube is ......... times that of steel.
(a) 10
(b) 25
(c) 100
(d) 1000
Option c - 100
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