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. -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.
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 speed u. What is the magnitude of change in its velocity as it reaches … Continue reading Motion in a vertical circle and conservation of energy
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 other, the force which holds them together is the nuclear force, which is the strongest force in nature. The electrostatic force between protons is negligibly small … Continue reading Why protons attract inside a nucleus?