Physical World 2

The Branch of science dealing with the nature and natural phenomena is called

• Logic
• Physics
• Chemistry
• Biotechnology

2.In the scope of Physics , there

• Is one domain
• are two domain
• are three domain
• four domain

3. The Theory of motion of material objects at low speeds is called

• Newtonian Mechanics
• Thermodynamics
• Dynamic Theory
• Newton ‘s theory of relativity

4. High speed moving particles are studied under which theory

• Newtonian Mechanics
• Thermodynamics
• Dynamic Theory
• Theory of relativity

The atomic , molecular and nuclear phenomena are the parts of ________ domain

• Macroscopic
• microscopic
• telescopic
• electroscopic

Charges are neither created nor destroyed but can be transferred from one body to another is law of conservation of

• Charges
• Forces
• Electromagnetic Induction
• angular momentum

All the events that we observe in nature can be explained and understood in terms of

• Few physical law
• experimental logic
• Chemical changes
• hypothetical thinking

Electron Microscope is based on the Principle of

• Optical fibre
• Wave nature of electron
• digital logic
• Newton second law

Reflection of ultrasonic waves is used in the technology of

• Lasers
• optical Fibre
• Sonar
• aeroplane

A quantity which can be measured and by which various physical happening can be explained and expressed in the form of laws is called

• Physical law
• chemical quantity
• Physical observation
• Physical quantity