Browse Questions
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Order of reaction
What is meant by order and molecularity of a reaction?
Conservation of momentum
Why does a gun recoil when fired?
Holography
How is a hologram different from a photograph?
Effect of temperature
Why do reactions speed up with temperature?
Static vs kinetic friction
Why is it harder to start pushing a heavy box than to keep it moving?
Relativity
Why does time slow down near the speed of light?
Catalyst role
How do catalysts affect reaction rate? Give examples.
Centripetal force
Why doesn’t a stone fly off when whirled on a string?
Quantum Tunneling
How do particles “tunnel” through barriers in quantum mechanics?
Arrhenius equation
Derive and explain Arrhenius equation.
Impulse in sports
Why do cricketers lower their hands when catching a fast ball?
X-Rays
How are X-rays produced?
What is adsorption?
Explain physisorption vs chemisorption.
Equilibrium
Why does a tightrope walker carry a long pole?
MRI Scans
Why are MRI scans safer than X-rays?
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