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Notes Physics

Vibrations in strings, Vibrations produced in closed pipes, Vibrations produced in open pipes

Vibration in strings Waves travels aloog a horizontal rope fixed at one end, and the other end is free to […]

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Notes Physics

Musical Instruments

(A) WIND INSTRUMENTS Clarinets, flute, saxophone, trumpet are examples of wind musical instruments. A musical note originates from a source […]

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Notes Physics

Sound Waves

PRODUCTION Sound waves are produced by vibrating objects. Some of the source of sound are talking, shouting, beating, beating drums, […]

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Notes Physics

Dispersion of white light, production of pure and impure spectrum

White light has a band of wavelengths of different colours.  This is called the spectrum colours.  Red light has the […]

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Notes Physics

Optical Instrument

THE COMPOUND MICROSCOPE The compound microscope produces a greater magnification than the simple microscope.  It has two lenses, the objective […]

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Notes Physics

Refraction through lenses

LENSES: Lenses are used as magnifying glasses.  They are also used in microscopes, telescopes, cameras and projectors.  The human eye […]

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Notes Physics

Refraction through triangular prism, Real and apparent depth, Total internal reflection and its application

Refraction Through Triangular Prism When a ray of light passes through a triangular prism, it is refracted as shown below […]

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Notes Physics

Refraction of light

REFRACTION There is a change in the direction and speed of a ray of light when it passes from medium […]

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Notes Physics

Reflection On Curved Mirror-Types, Image Produced, Uses And Mirror Formulae

When a shell of a hollow sphere of glass is made out of a piece of glass and then silvered, […]

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Notes Physics

Reflection of light on plane surfaces, laws of reflection, image formation by plane mirror, application of reflection on plane mirror

REFLECTION OF LIGHT ON PLANE SURFACE There are two types of reflection: 1.          Regular Reflection 2.         Diffuse Reflection or Irregular […]