Category Archive: Interesting Questions

Jun 30

SPEED OF DARKNESS?

IN PHYSICS I OFTEN GET STRUCK OF A QUESTION OF NOT A SINGLE TEACHER OR MY FRIENDS COULD ANSWER ME THE QUESTION IS THAT

“IF SPEED OF LIGHT IS 3 x 108 METRE PER SEC, THAN WHAT IS THE SPEED

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Permanent link to this article: http://www.plustwophysics.com/speed-of-darkness/

Nov 17

Mirror Mirror Relativity

Can you see your image when you are travelling at the speed of light?

Visitors and students are requested to respond and answer via comments.

Einstein’s Theory of relativity says:”The Laws of Physics

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Permanent link to this article: http://www.plustwophysics.com/mirror-mirror-relativity/

Oct 10

Motion in a vertical circle and conservation of energy

A stone  tied to a string of length l is whirled around a vertical circle with the other end of the string at the centre. At a certain instant of time the stone is at the lowest position and has a

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Permanent link to this article: http://www.plustwophysics.com/motion-in-a-vertical-circle-and-conservation-of-energy/

Sep 13

Collection of Problems received from Class 12 Physics

These problems were posted by Geena. Hope that we will be able to post the answers to these questions soon; each in a separate post. By the time visitors can attempt to post their answers as comments to this post. (Only selected posts will be published)   Please note that the answers are not published until the [...]

Permanent link to this article: http://www.plustwophysics.com/collection-of-problems-received-from-class-12-physics/

Sep 11

Which books should be referred for IIT JEE ?

We have received hundreds of questions on the above subject. As the questions continue to pour in, we found it necessary to create a post on it. IIT JEE is an entrance exam of international repute and IITs are considered at par with MIT by many. So, if you are an IIT aspirant, it is very [...]

Permanent link to this article: http://www.plustwophysics.com/which-books-should-be-referred-for-iit-jee/

Sep 11

Why protons attract inside a nucleus?

What is the reason for proton- proton attraction inside the nucleus according to nuclear physics? (Sanjeev Asked)

Answer: Inside the nucleus where the nucleons are very close to each

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Permanent link to this article: http://www.plustwophysics.com/why-neutrons-attract-inside-a-nucleus/

Sep 10

Is the acceleration due to gravity different in south pole and north pole

Mohak Tandon Asks – “ “Is the acceleration due to gravity different in south pole and north pole?” Answer: As per theory, acceleration due to gravity changes with altitude, depth and latitude. If we consider that the variation of g with latitude is caused by rotation of earth only, then the value of g will be same for both [...]

Permanent link to this article: http://www.plustwophysics.com/is-the-acceleration-due-to-gravity-different-in-south-pole-and-north-pole/

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