When sound waves travel from air to water, what happens to its frequency?
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What is Metals ?
Explain how do you separate hydrogen and oxygen gases in industrial electrolysis of water process?
What is the difference between free electron theory and band theory of solids?
Explain what is an alloy?
Explain the domestic consumption of electricity is calculated in?
Distinguish between optical and acoustic resonance.
write a program on link list to get information about graduated students?
Why gave we to put back the clock continually, when we travel round the world west-wards ?
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?
What is Lunar module?
What is parallel force?
The gas that used in bulb is............? a) Oxygen b)nitrogen c)hydrogen d)co2