Explain how do fireworks turn into shapes like hearts and stars?

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what is meant by vector atom model and what is the use of it?

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Explain the difference between optical zoom, digital zoom and smart zoom?

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Why does ink not spread n the paper used in the ?slick? ?

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Two bulbs, one of 600W and the other of 100W having same voltage rating are connected in series across the supply in a room.Which bulb will glow brighter? If one of the bulb is switched off, what will be effect on illumination?

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the magnifying power of a simple microscope can be increased if we use eye piece of

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If 2460 kj/kg of heat is addes to water at o C to produce wet steam at 1500 kpa, what is the dryness fraction?

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What is meant by energy spectrum of a black body? What do you infer from it? : quantum physics

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Explain the Gravitation and gravity ?

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Describe the Sphygmanometer?

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Give one advantage of a scanning electron microscope over a transmission electron microscope?

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Explain the Principle of Calorimetry ?

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