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Published on: 02/09/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Physics Subject - Retirement and Death of a Partner, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
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.
Which of the property does not change when a matter is divided into nano Particle?
Electrical
Chemical
Magnetic
Optical
2.
Plasma etching and chemical vapour deposition are synthesized by ____________
Bottom - up approach
Top - down approach
Bottom - down approach
Top - up approach
3.
Bulk particles of nanoparticles are synthesized by ___________
Top - down approach
Bottom - up approach
Top - top approach
Bottom - real approach
4.
A single strand of DNA, the building block of all living things, is about _________ nanometers wide.
Two
Three
Four
Five
5.
Zno is an example of __________
Bulk solid
Nano solid
Bulk solid and Nano solid
None of the above
6.
In __________ it was established that atoms are made up of electrons, protons and neutrons
1945
1923
1930
1927
7.
Chinese scientists have created the world's first autonomous _________ to combat caner tumours.
RNA Robot
DNA Robot
m RNA Robot
r RNA Robot
8.
The size of the Nano robots is reduced to ________ level to perform a task in very small space.
Macroscopic
Robots DNA
Microscopic
Bacteria
9.
Muscle wires can contract by _________ when electric current is passed through them.
5%
7%
25%
50%
10.
George Devel invented the first digitally operated programmable robot called ____________.
Unimate
Robotics
Motors
Generators
11.
Best example for applications of nanotechnology is ______________.
Chemical industry
Engineering
medicine
all of these
12.
_______ is synthesized top down approach
Ball milling
Plasma etching
lithography
Ball milling and lithography
13.
__________ Scanning Electron Micrograph (SEM) showing the nano structures on the surface of a leaf from a lotus plant
Parrot fish
Morpho butterfly
Lotus leaf surface
Peacock feathers
14.
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
15.
Nanoscience is the science of object with typical sizes of ___________
1 - 100 μ
1 - 100 nm
1 - 100 cm
1- 100 m
1.
(b)
Chemical
2.
(a)
Bottom - up approach
3.
(a)
Top - down approach
4.
(b)
Three
5.
(c)
Bulk solid and Nano solid
6.
(c)
1930
7.
(b)
DNA Robot
8.
(c)
Microscopic
9.
(a)
5%
10.
(a)
Unimate
11.
(d)
all of these
12.
(d)
Ball milling and lithography
13.
(c)
Lotus leaf surface
14.
(c)
Nano solid
15.
(b)
1 - 100 nm
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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
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