Define non-Luminous body ?
Answer / anand kumar gupta
Non-Luminous body: A body which does not emit light is called non-luminous body, for example a book.
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What are wave fronts?
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When the letters of an opposite side board are found in a mirror as reverse,why the same is not shown as up and down?
USE OF PHYSICS
0 Answers State Bank Of India SBI,
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A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?