General Physics (1023)
Geology (258)
Geo Physics (71)
Astro Physics (43)
Nuclear Physics (56) Why does the colour of a material look differently in sunlight that than in the electrical-lamp
1 3395A 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 5183Why is the earth not used as a return wire in a telephone system, while it is dine so in case of telegraph system.
1 3276
What does hull speed mean?
why sink condition occur in vivo.???
How many more times louder is 70 decibels than 10 decibels?
Draw a graph between frequency of photon and velocity of photo electron?
What is the difference between ‘soft' rock and ‘hard' rock geology?
What is photometry?
What is the direction of null vector?
explain the proper definition of light?
What are the stars?
Why is it important not to expose a patient to x-rays for too long?
What are the three major types of rocks?
What minerals attract lightning?
Where would you expect to find the oldest basalt on the floor of the atlantic ocean?
how to figure cubic feet of concrete using English measurements?
How can sedimentary processes concentrate and form resources? Give an example of a resource formed by a sedimentary process.