Physics Worksheet Class 9. We covered all the Physics Worksheet Class 9 MCQs in this post for free so that you can practice well for the exam.
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Physics Worksheet Class 9 Objective for Students
What is graphene?
(a) A new material made from carbon nanotubes.
(b) A one-atom-thick sheet of carbon.
(c) Thin film made from fullerenes.
(d) A software tool to measure and graphically represent nanoparticles.
Option b – A one-atom-thick sheet of carbon
Which of these historical works of art contain nanotechnology?
(a) Lycurgus cup
(b) Medieval stained glass windows in churches
(c) Damascus steel swords
(d) All of the above
Option d – All of the above
Nanorobots (nanobots)
(a) do not exist yet.
(b) exist in experimental form in laboratories.
(c) are already used in nanomedicine to remove plaque from the walls of arteries.
(d) will be used by NASA in the next unmanned mission to Mars.
Option a – do not exist yet
The size of red and white blood cells is in the range of ……….. µm.
(a) 2-5
(b) 5-7
(c) 7 – 10
(d) 10-15
Option a – 2-5
The width of a carbon nanotube in nm is
(a) 1
(b) 1.3
(c) 1.55
(d) 10
Option b – 1.3
What is the general name for the class of structures made of rolled-up carbon lattices?
(a) Nanotods
(b) Nanotubes
(c) Nanosheets
(d) Fullerrods
Option b – Nanotubes
We covered all the physics worksheet class 9 mcqs above in this post for free so that you can practice well for the exam.
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Also, check out:
- Together with Chemistry Class 9
- Dalal Simplified Chemistry Class 9 Solutions
- Chapter 2 Chemistry Class 9 Extra Questions
