Question
List down the uses of concave mirror.
Concave mirrors are used :
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Numerical Problem.
What is the heat in joules required to raise the temperature of 25 grams of water from 0°C to 100°C? What is the heat in Calories? (Specific heat of water $=\frac{4.18 J }{ g ^{\circ} C }$
What are nucleons? How many nucleons are present in Phosphorous? Draw its structure.