52-year-old millionaire mayor came to give the matriculation examination

At a time when people discontinue studies for various reasons, 59-year-old Mayor Shiv Singh of Bharatpur set an amazing example before the world ! Mayor Shiv Singh arrived at the first examination center where students and administrators stirred in. But as a student when they set their seat so everyone understood the matter. He explains … Continue reading 52-year-old millionaire mayor came to give the matriculation examination

Cbse Class XII AISSCE 2015 date sheet published

CBSE published the datesheet for class XII for AISSCE 2015. Download it here... http://cbse.nic.in/attach/12d_2015.pdf Get free help in physics at www.plustwophysics.com

Random collection of Physics Viva Questions

State the Principle of a potentiometer. (The students say that potential drop is proportional to length but the constant quantities are not mentioned) How can we increase the sensitivity of a potentiometer? Define figure of merit of a galvanometer. Which has more resistance – a galvanometer or a milliammeter? How does an LED emit light? … Continue reading Random collection of Physics Viva Questions

Which way is better for giving AIEEE exam? ONLINE or OFFLINE.

Which way is better for giving AIEEE exam? ONLINE or OFFLINE. -Yash asked - Answer: I would personally recommend online. But the choice is up to you. Please follow the following check to decide. Try to identify for yourself the plus points and negative points of writing AIEEE online and OFFLINE. The most important disadvantage … Continue reading Which way is better for giving AIEEE exam? ONLINE or OFFLINE.

Does gravity travel instantaneously?

Does gravity travels instantaneously? Or it travels equal to the speed of light. Answer: No clear answer now. If we believe in the Theory of relativity, Gravity (Gravitational Waves travel with the same speed as that of light in vacuum. If gravitons are like photons, then it makes sense too. However I invite you to think … Continue reading Does gravity travel instantaneously?

Speed of sound

Why sound travels faster in humid air than normal air as humid air is denser than normal air? (Akash asked) Answer: The speed of sound in a medium is inversely proportional to the square root of its density. Humid air is less dense than dry air. Therefore the speed of sounf in humid air is greater than that in … Continue reading Speed of sound