Physical World

Physical World 1

These MCQs are intended for checking your Physics subject, Chapter Physical World knowledge.

The scientist who discovered x-rays belonged to:

Heliocentric theory proposed by Nicolas Copernicus was

The scientists who discovered natural radioactivity belonged to

Just as a new experiment may suggest an alternative theoretical model, a theoretical advance may suggest what to look for in some for in some experiments. Which of the following experiments can be considered to support this claim?

Newtonian mechanics could not explain

Wave picture of light failed to explain.

The scientific method is

Which of the following is a possible final step in applying the scientific method

Wave nature of electron was discovered by

A scientific theory

Who discovered neutron

Nuclear reactor works on the scientific principle

The aeroplane works on the scientific principle

Which of the following is a possible first step in applying the scientific method

The branch of science which deals with the study of stars is called

Electric generator works on the scientific principle

Physics is a

Atomic and molecular phenomena are dealt with by

Which of the following technology uses Newton’s second and third laws of motion

The scattering of light by molecules was discovered by

The physical sciences deal with the study of:

Atomicity of charge was discovered by

Theory of relativity was discovered by

The word Science originates from the Latin verb Scientia meaning

Heat engine and refrigerator work on scientific principle :

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