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?
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Is negative mass antimatter?
What is a Compound ?
When a green colored object is illuminated by a green light it will appear as what color to the human eye?
Mention the applications of electron microscope. : quantum physics
What is the force needed to accelerate a mass of one kilogram one meter per second per second?
Why are the girders on the railway bridges fixed at one end only?
Does a soccer ball go faster in the air on a cold or hot day?
Explain how spectral lines show discrete energy levels in an atom. : quantum physics
Define Self-Luminous body ?
What is curvilinear motion?
What is the difference between intrinsic and extrinsic semiconductors?
When a water pump falls to draw water, a bucket of water poured into it sets it working. Why ?