which wave is related to telecommunication?
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what happens to the period of a simple pendulum taken into a deep mine ?
How does laser printer works?
While at berkeley, melvin calvin used this radioisotope to decipher many of the complex processes of photosynthesis:
What is cardiac output?
What is a galvanometer?
Explain the Types of Refrigeration ?
who described the theory of ionization?
Graph between frequency of photon and velocity of photo electron?
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?
Why does a water pump becomes ineffective, when water ha to be raised through a height grater than 30 ft. ?
What percentage of mind Albert Einstein used ?
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?