Why does the colour of a material look differently in sunlight that than in the electrical-lamp
1 2646A bird sitting on a naked wire carrying current feels quite safe, but when the wire between his feet is cut and joined by a very long loop of wire, the bird dies. Why?
2 4038Why is the earth not used as a return wire in a telephone system, while it is dine so in case of telegraph system.
1 2570Post New General Physics Questions
What is third law of thermodynamics?
What is the translucent?
Does weight affect how far you jump?
Who first detected radio waves?
How much does sea salt weigh per cubic foot?
Differentiate static and kinetic friction.
Can a vector have a component equal to zero and still have a nonzero magnitude?
In which medium does the sound travel fatest?
Explain the difference between dynamic strain aging and strain aging?
What does the acronym am stands in radio transmission?
Explain what affect does electricity have on soil?
What is ntu in thermodynamics?
Explain the Use of manometer.
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?
How many pounds does one gallon of water weigh?
