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Published on: 13/10/2020
12th Standard Physics Recent Developments in Physics English Medium Free Online Test One Mark questions with Answer Key 2020 - 2021
Download Tamil Nadu 12th Standard Physics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Physics Test1.
In __________ it was established that atoms are made up of electrons, protons and neutrons
1945
1923
1930
1927
2.
The size of the Nano robots is reduced to ________ level to perform a task in very small space.
Macroscopic
Robots DNA
Microscopic
Bacteria
3.
George Devel invented the first digitally operated programmable robot called ____________.
Unimate
Robotics
Motors
Generators
4.
_______ is synthesized top down approach
Ball milling
Plasma etching
lithography
Ball milling and lithography
5.
If the particle of a solid is of size less than 100 nm, it is said to be a ____________
Nano particle
Nano bytes
Nano solid
Nano technology
6.
The gravitational waves were theoretically proposed by _____.
Conrad Rontgen
Marie Curie
Albert Einstein
Edward Purcell
7.
The technology used for stopping the brain from processing pain is _____.
Precision medicine
Wireless brain sensor
Virtual reality
Radiology
8.
The materials used in Robotics are _____.
Aluminium and silver
Silver and gold
Copper and gold
Steel and aluminum
9.
The method of making nanomaterial by assembling the atoms is called _____.
Top down approach
Bottom up approach
Cross down approach
Diagonal approach
10.
Which one of the following is the natural nanomaterial.
Peacock feather
Peacock beak
Grain of sand
Skin of the Whale
1.
(c)
1930
2.
(c)
Microscopic
3.
(a)
Unimate
4.
(d)
Ball milling and lithography
5.
(c)
Nano solid
6.
Albert Einstein theoretically proposed the existence of gravitational waves in the year 1915.
7.
Medical virtual reality is effectively used to stop the brain from processing pain and cure soreness.
8.
(d)
Steel and aluminum
9.
There are two type of Synthesis of nano materials:
(i) Bottom up - Assembling atoms together.
(ii) Top down Breaking down bulk solid.
10.
Wings of a morpho butterfly, peacock feathers, lotus leaf surface and sources of parrot fish's bite are some of the natural nano particles.
12th Standard Syllabus & Materials
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Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
