Recent Developments in Physics Practice Test

12th Standard Physics — Recent Developments in Physics: Online Practice Test

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The particle size of ZnO material is 30 nm. Based on the dimension it is classified as

A.Bulk material B.Nanomaterial C.Soft material D.Magnetic material

Which one of the following is the natural nanomaterial.

A.Peacock feather B.Peacock beak C.Grain of sand D.Skin of the Whale

The blue print for making ultra durable synthetic material is mimicked from

A.Lotus leaf B.Morpho butterfly C.Parrot fish D.Peacock feather

The method of making nanomaterial by assembling the atoms is called

A.Top down approach B.Bottom up approach C.Cross down approach D.Diagonal approach

“Ski wax” is an application of nano product in the field of

A.Medicine B.Textile C.Sports D.Automotive industry

The materials used in Robotics are

A.Aluminium and silver B.Silver and gold C.Copper and gold D.Steel and aluminum

The alloys used for muscle wires in Robots are

A.Shape memory alloys B.Gold copper alloys C.Gold silver alloys D.Two dimensional alloys

The technology used for stopping the brain from processing pain is

A.Precision medicine B.Wireless brain sensor C.Virtual reality D.Radiology

The particle which gives mass to protons and neutrons are

A.Higgs particle B.Einstein particle C.Nanoparticle D.Bulk particle

Q10

The gravitational waves were theoretically proposed by

A.Conrad Rontgen B.Marie Curie C.Albert Einstein D.Edward Purcell

Q11

Which field of study serves as the fundamental building block for modern advancements in engineering, technology, and medicine?

A.Biology B.Physics C.Chemistry D.Mathematics

Q12

In the context of nanoscience, what is the typical size range of the objects being studied?

A.1 to 100 micrometers B.1 to 100 millimeters C.1 to 100 nanometers D.1 to 100 centimeters

Q13

Which of the following phenomena is primarily responsible for the striking difference in properties between a nano-form material and its bulk counterpart?

A.Gravitational effects B.Magnetic resonance C.Quantum confinement effects D.Thermal expansion

Q14

As the size of a solid particle decreases toward the nanoscale, how does its surface-area-to-volume ratio change?

A.It decreases significantly B.It remains constant C.It increases significantly D.It first increases then decreases

Q15

The component of a robot that acts as its 'brain' and executes the programmed commands is the:

A.Actuator B.Manipulator C.Controller D.Sensor

Q16

What is the primary function of sensors within a robotic system?

A.To provide power to the motors B.To gather information about the surroundings C.To lift heavy loads D.To store the computer program

Q17

Which type of industrial robot uses a 'Selective Compliance Assembly Robot Arm' and is ideal for assembly tasks?

A.Cartesian robot B.Delta robot C.SCARA robot D.Polar robot

Q18

What type of materials are commonly used to create 'muscle wires' for robot movements due to their ability to return to a pre-set shape?

A.Simple copper alloys B.Shape memory alloys C.Pure silver wires D.Carbon fiber composites

Q19

In medical applications, virtual reality technology is effectively utilized for which of the following purposes?

A.Monitoring blood glucose levels B.Stopping the brain from processing pain C.Replacing damaged internal organs D.Detecting antibiotic resistance

Q20

The emerging medical approach that customizes healthcare based on an individual's genes, environment, and lifestyle is known as:

A.Telemedicine B.General radiology C.Precision medicine D.Nuclear medicine

Q21

What is a major advantage of using bio-resorbable wireless brain sensors in patient care?

A.They provide 3D images of internal organs B.They never need to be calibrated C.They eliminate the need for a second surgery to remove them D.They can be powered by light pulses

Q22

According to the quark model, which smaller fundamental entities combine to form protons and neutrons?

A.Positrons B.Quarks C.Neutrinos D.Photons

Q23

Which particle, sometimes called the 'God' particle, was discovered in 2013 and is responsible for providing mass to other particles?

A.Gluon B.Neutrino C.Higgs particle D.Electron

Q24

At what speed do gravitational waves travel through the curvature of space-time?

A.Speed of sound B.Half the speed of light C.Speed of light D.Infinite speed

Q25

In quantum computing, what is the basic unit of information that can exist as 0, 1, or a linear superposition of both?

A.Binary bit B.Byte C.Qubit D.Macrobit

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About this Recent Developments in Physics test

This free online practice test covers Recent Developments in Physics from the 12th Standard Physics (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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