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The Physics of Breaking Stuff – The Physics of Martial Arts

admin — Thu, 31 May 2012 03:41:32 +0000

How is Physics applied in Breaking things in Karate Demonstrations? Answer: The following video explains it well. If you have further doubts, please post them as comments to this post. The Physics of Breaking Stuff – Slightly-Mad ScienceUploaded by Jamie Related content: What is Simple Harmonic Motion? Human Powered Helicopter Nuclear fusion Videos Electric Potential Ask [...]

Newton’s Law of Gravitation and Acceleration due to gravity

admin — Wed, 30 May 2012 13:04:10 +0000

According to Newton’s law, force produce acceleration, this acceleration depends on the mass, larger the mass lower will be the acceleration. But in the case of Earth’s gravity, acceleration is the same for every object.why?(forget equations for a moment and the conceptually) (Asked Hamid Khan ) ” the force with which the earth pulls a body towards [...]

What is Quantum Teleportation?

admin — Wed, 30 May 2012 04:36:05 +0000

Quantum teleportation is a way of transferring a quantum state from one place to another without actually sending a particle in that state through space. (Source – Physicsworld.com) Anton Zeilinger (right) of the University of Vienna has extended this distance to 143 km by teleporting quantum states across the stretch of sea separating two of the [...]

Degrees of Freedom

admin — Wed, 30 May 2012 04:20:28 +0000

How to comprehend the degrees of freedom(translational,rotational,vibrational modes)of an N particle system with constraints of constant bond length ex: a diatomic gas like hydrogen(double bonded) & Nitrogen(triple bonded).Why some rotational modes are not considered and why sometimes some modes are considered equivalent? Asked Shobhit Answer to be posted soon

Doubts from Faraday’s Experiments on electromagnetic induction

admin — Tue, 29 May 2012 15:34:17 +0000

I wanna ask that in faradays’s first experiment with coil and magnet,when the magnet is moved away from coil the deflection in galvanometer becomes opposite as compared to first case…..what leads to this and if that means direction of current becomes opposite so HOW and WHY the direction of this changes…..plz can you tell me [...]

CBSE Class 12 Results Declared. Did we help you score more?

admin — Mon, 28 May 2012 07:37:17 +0000

Hello everyone! CBSE has declared its results and how was your scores in Physics? Did www.askphysics.com help you score better in Physics? Please comment. Related content: CBSE Class 12 Results will be announced on 28 May 2012 CBSE Published Class XII Results CBSE Results 2012 Class 10 and 12

Total Internal Reflection

admin — Sun, 27 May 2012 08:14:45 +0000

Download the following PowerPoint presentation to understand the concept of Total Internal Reflection and its applications total internal reflection

Size of a soap bubble when charged

admin — Sun, 27 May 2012 07:14:06 +0000

What will happen to the size of the soap bubble if the bubble is given charges ? Asked VARSHA UDAYAKUMAR Answer: When a soap bubble is charged, its size increases. Under normal condictions, a soap bubble is in equilibrium un der two opposing forces – the force of surface tension which tries to compress it and [...]

WORKING OF A TRANSFORMER

admin — Sun, 27 May 2012 06:55:17 +0000

Sir,im not understanding how transformer works?while current is going from one station to other we keep high voltage and very less current to decrease power loss but current is proportional to voltage how can u make low current using high voltage? Asked Avinah Boinepalle Answer: A transformer works on the principle of mutual induction. [mutual induction [...]

CBSE Class 12 Results will be announced on 28 May 2012

admin — Fri, 25 May 2012 16:02:01 +0000

CBSE has announced that the Results of CBSE Class 12 results (AISSCE 2012) will be published on 28 May 2012 at 11 am. Wish you all good luck. Visit http://cbseresults.nic.in and http://results.gov.in/result2announcedaca.aspx for updated information. Related content: CBSE Results 2012 Class 10 and 12 CBSE Published Class XII Results CBSE Class 12 Results Declared. Did we [...]