heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?
No Answer is Posted For this Question
Be the First to Post Answer
What happens when you travel across the dateline?
a bullet of mass m travelling at velocity v has a kinetic energy of ½mv2 when it strikes a ballistic pendulum of mass 1000 grams. The kinetic energy of the twomasses moving together just after the moment of impact is about a thousand times smaller than ½mv2. What has most of the bullets initial kinetic energy beenconverted to?
Does weight affect how far you jump?
An ice-box is built of wood 1.75 cm thick, lined with cork 3 cm thick. If in the steady state the temperature of the inner surface of the cork is 0 ºC and that of the outer surface of wood is 12 ºC, what is the temperature of the wood-cork interface? The thermal conductivities of wood and cork are 0.2 W/m-K and 0.04 W/m-K respectively
Explain what is the rectilinear propagation of light?
What is meant by normal modes?
On breaking a magnet, how many poles will be got ?
Explain what is a positron?
What is Colours of bodies ?
Explain the difference between optical zoom, digital zoom and smart zoom?
Why us steel more elastic than rubber ?
What is centigrade thermometer ?