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Physics SS 3 Week 4 Topic: Glass Prism Spectrum from Prism Sunlight is often called white light, since it is a combination of all the visible colors. Since the index of refraction is different for each color, the angle of refraction will be different for each color when the light passes from air into glass […]
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Physics SS 1 Week 2 Topic: Resistors in Series and Parallel Introduction Circuits consisting of just one battery and one load resistance are very simple to analyze, but they are not often found in practical applications. Usually, we find circuits where more than two components are connected together. There are two basic ways in which
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Physics SS 2 Week 5 Topic: Transformation of Elements Transformation of Elements There are two types of radioactivity – natural and artificial radioactivity. The phenomenon of radioactivity was first discovered by Henri Becquerel Natural radioactivity is the spontaneous disintegration of the nucleus of an atom during which α-particle or β-particle, or gamma rays or a
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Biology SS 2 Week 2 Topic: LENSES The reflection and refraction we have dealt with so far have focused only on light interacting with flat surfaces. Lenses and curved mirrors are optical instruments designed to focus light in predictable ways. While light striking a curved surface is more complicated than the flat surfaces we have
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Physics, SS 2 Week 1 Topic: Electricity Concept Electric Current An electric charge can be at rest or in motion. We speak of static electricity when the charge is at rest, but when the charge is in motion, it is referred to as current electricity. Electric current, I, is defined as the rate of flow
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Physics SS 3 Week 6 Topic: QUANTUM INTRODUCTION Some of the important postulates of the Bohr’s model of the atom were that the electrons moved around the nucleus in specified orbits. In these orbits they can move without radiating energy. They can acquire or lose energy only in discrete units called quanta. Thus Bohr suggests
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