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Published on: 02/09/2022
QB365 provides a detailed and simple solution for every Possible Book Back 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.
The gravitational waves were theoretically proposed by _____.
Conrad Rontgen
Marie Curie
Albert Einstein
Edward Purcell
2.
The particle which gives mass to protons and neutrons are _____.
Higgs particle
Einstein particle
Nanoparticle
Bulk particle
3.
The technology used for stopping the brain from processing pain is _____.
Precision medicine
Wireless brain sensor
Virtual reality
Radiology
4.
The alloys used for muscle wires in Robots are _____.
Shape memory alloys
Gold copper alloys
Gold silver alloys
Two dimensional alloys
5.
The materials used in Robotics are _____.
Aluminium and silver
Silver and gold
Copper and gold
Steel and aluminum
6.
7.
The method of making nanomaterial by assembling the atoms is called _____.
Top down approach
Bottom up approach
Cross down approach
Diagonal approach
8.
The blue print for making ultra durable synthetic material is mimicked from _____.
Lotus leaf
Morpho butterfly
Parrot fish
Peacock feather
9.
Which one of the following is the natural nanomaterial.
Peacock feather
Peacock beak
Grain of sand
Skin of the Whale
10.
The particle size of ZnO material is 30 nm. Based on the dimension it is classified as _____.
Bulk material
Nanomaterial
Soft material
Magnetic material
1.
Albert Einstein theoretically proposed the existence of gravitational waves in the year 1915.
2.
Proton and neutron are made up of quarks. Later, it was found that Higg's particles or God particles give mass to the particles like protons, neutrons etc.
3.
Medical virtual reality is effectively used to stop the brain from processing pain and cure soreness.
4.
They are thin strands of wire made of shape memory alloys. They can contract by 5% when electric current is passed through them.
5.
(d)
Steel and aluminum
6.
(c)
7.
There are two type of Synthesis of nano materials:
(i) Bottom up - Assembling atoms together.
(ii) Top down Breaking down bulk solid.
8.
Parrot fish's source of bite → mimic → Ultra durable synthetic material.
Lotus leaf surface → SEM → Self Cleaning Process
The scales on the wings of a morpho butterfly → mimic → Interaction of colours.
Peacock feathers → mimic → Glowing in different colours.
9.
Wings of a morpho butterfly, peacock feathers, lotus leaf surface and sources of parrot fish's bite are some of the natural nano particles.
10.
Size of the particle is between
1-100 nm - Nano.
Size of the particle is greater
than-100 nm - Bulk.
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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
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Maths
Chemistry
Physics
Computer Technology
History
Accountancy
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