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Three identical charges each of 2µc are placed at the vertices of a triangle ABC as shown in the figure. If AB + AC = 12 cm and AB . AC = `32cm^2` , the potential energy of the charge at A is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A ball of mass 1 gm and charge `10^(–8) c` moves from a point A, where the potential is 600 volt to the point B where the potential is zero. Velocity of the ball of the point B is 20cm/s. The velocity of the ball at the point A will be

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Three charges Q, +q and +q are placed at the vertices of an equilateral triangle of side `l` as shown in the figure. It the net electrostatic energy of the system is zero, then Q is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Electric potential at any point is `V = –5x + 3y + sqrt15z` , then the magnitude of the electric field is .....

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A small conducting sphere of radius r is lying concentrically inside a bigger hollow conducting sphere of radius R. The bigger and smaller sphere are charged with Q and q (Q > q) and are insulated from each other. The potential difference between the sphers will be

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Which of the following functions of time represent (a) simple harmonic, (b) periodic but not simple harmonic, and (c) non-periodic motion? Give period for each case of periodic motion (ω is any positive constant):

asked Mar 20, 2022 in 11th Physics by varun (6.7k points)

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What is phase difference?

asked Mar 20, 2022 in 11th Physics by varun (6.7k points)

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Weather the following is periodic or not?

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What are the time period for the following?

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What is the time period for the following?

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Position of a particle in shm is y = 3 sin ( π 2 t + π 4 ) m

asked Mar 20, 2022 in 11th Physics by varun (6.7k points)

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NCERT Chapter14 Oscillations SHM Intro

asked Mar 20, 2022 in 11th Physics by varun (6.7k points)

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Define these for a body in SHM

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Show that given equations are in SHM

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Derive differential eq of SHM.

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Some of the most profound statements on the nature of science have come from Albert Einstein, one of the greatest scientists of all time. What do you think did Einstein mean when he said : “The most incomprehensible thing about the world is that it is

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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“Every great physical theory starts as a heresy and ends as a dogma”. Give some examples from the history of science of the validity of this incisive

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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“Politics is the art of the possible”. Similarly, “Science is the art of the soluble”. Explain this beautiful aphorism on the nature and practice of

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Though India now has a large base in science and technology, which is fast expanding, it is still a long way from realising its potential of becoming a world leader in science. Name some important factors, which in your view have hindered the advancement of science in

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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No physicist has ever “seen” an electron. Yet, all physicists believe in the existence of electrons. An intelligent but superstitious man advances this analogy to argue that ‘ghosts’ exist even though no one has ‘seen’ one. How will you refute his argument

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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