Introduction to Physics

The video introduces physics as the study of nature and the universe, explaining its role in everyday phenomena like sound, heat, friction, gravity, magnetism, inertia, force, electricity, light, and atomic theory. It emphasizes the importance of understanding unseen events and encourages curiosity.

What is the primary focus of physics as introduced in the session?

• The study of mathematics

• The study of nature and the universe

• The study of chemistry

• The study of miracles

Which of the following is NOT an application of sound mentioned in the session?

• Cooking food

• Estimating ocean depth

• Alarm clock

• Ultrasound scanner

What causes water to boil and produce steam?

• Friction

• Gravity

• Heat

• Magnetism

What is the force that keeps objects grounded on Earth?

• Magnetism

• Inertia

• Friction

• Gravity

Why does a compass needle point north?

• Because of gravity

• Due to Earth's magnetism

• Because of inertia

• Due to friction

What property of a body makes it resist changes in its state of motion?

• Magnetism

• Inertia

• Gravity

• Friction

Which of the following is an example of force in daily life?

• Reading a book

• Watching TV

• Opening a door

• Listening to music

What powers a cell phone according to the session?

• Solar energy

• Magnetic energy

• Wind energy

• Electricity from a battery

What phenomenon is responsible for the formation of a rainbow?

• Refraction of light

• Reflection of light

• Splitting of white light

• Absorption of light

What are the building blocks of matter as discussed in the session?

• Cells

• Particles

• Atoms

• Molecules