Question & Answers
How does concave lens refract light ? Draw a diagram to show it.
How does concave lens refract light ? Draw a diagram to show it.
When a lead bullet of mass 30 gm strikes a target the temperature of bullet rises by 40°C. , calculate the amount heat.
When a lead bullet of mass 30 gm strikes a target the temperature of bullet rises by 40°C. Assuming that the target does not heated, calculate the amount of generated.
Calculate the specific heat capacity of substance of substance
Calculate the specific heat capacity of substance of substance having mass 5 kg whose temperature increases from 15°C to 25°C by the supply of 19 k J.
Calculate the amount of heat energy required to raise temp of 2kg water by 10 °C
Calculate the amount of heat energy required to raise temp of 2kg water by 10 °C
An iron ball 5kg, 100°C is dipped in water 10 kg at 20°C. Find final temp ?
An iron ball 5kg, 100°C is dipped in water 10 kg at 20°C. Find final temp ?
A beaker contains 0.2 kg of 20°C, what will be its final temperature if 0.3 kg of water at 60°C is added to it.
A beaker contains 0.2 kg of 20°C, what will be its final temperature if 0.3 kg of water at 60°C is added to it.
Pressure cooker of 1.5kg, 30° C. If 7.5 * 10^4 J heat. What is the temp of cooker?
Pressure cooker of 1.5kg, 30 °C. If 7.5 * 10^4 J heat. What is the temp of cooker?
Iron vessel 1.5kg, from 30°C to 110°C. Calculate the heat energy.
Iron vessel 1.5kg, from 30°C to 110°C. Calculate the heat energy.
Pooja needs 15 kg water at 38°C,water is 20°C. Calculate heat ?
Pooja needs 15 kg water at 38°C,water is 20°C. Calculate heat ?
What is specific heat of sand if 1.6 * 10^5 J heat is required to raise 10 kg, 14°C to 35°C.
What is the specific heat capacity of sand if 1.6 * 10^5 J heat is required to raise 10 kg, 14°C to 35°C.
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