General Physics (1023)
Geology (258)
Geo Physics (71)
Astro Physics (43)
Nuclear Physics (56) why velocities of x rays and gamma rays are same inspite they have different wavelengths and frequencies
1 3058When a porcelain dish or a glass material are falling on the floor, it breaks but on falling on sofa or sponge it will not break. Why?
1 2488A 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?
1945
Explain which carbonate mineral reacts readily with cool dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas?
Why does marble rarely contains fossils?
What is gneiss?
What is third law of thermodynamics?
How has the earth changed since it was formed?
What is balanced field takeoff?
How do you calculate tensile strength?
Tell me what does the mev in mev photon mean?
Tell me what is ion pair energy?
Explain what is the homogenous?
What is erosion?
what is overall expansion,hp expansion,ip expansion and axial shaft of a steam turbine?
What makes mountains appear purple?
explian PIN photodiode and avalanche photodiode
Explain real image?