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July 16th, 2014, 08:06 AM
Super Moderator
Join Date: Mar 2012
Re: IIT-JEE Last Year Question Papers

Here I am providing you the last year question paper of IIT JEE Exam

Among the following, the state function(s) is(are)
(A) Internal energy
(B) Irreversible expansion work
(C) Reversible expansion work
(D) Molar enthalpy

Under the influence of the coulomb field of charge +Q, a charge −q is moving around it in an elliptical orbit. Find out the correct statement(s).
(A) The angular momentum of the charge −q is constant
(B) The linear momentum of the charge −q is constant
(C) The angular velocity of the charge −q is constant
(D) The linear speed of the charge −q is constant

A student performed the experiment to measure the speed of sound in air using resonance air-column
method. Two resonances in the air-column were obtained by lowering the water level. The resonance with
the shorter air-column is the first resonance and that with the longer air column is the second resonance. Then,
(A) the intensity of the sound heard at the first resonance was more than that at the second resonance
(B) the prongs of the tuning fork were kept in a horizontal plane above the resonance tube
(C) the amplitude of vibration of the ends of the prongs is typically around 1 cm
(D) the length of the air-column at the first resonance was somewhat shorter than 1/4th of the wavelength of the sound in air

A cylindrical vessel of height 500 mm has an orifice (small hole) at its bottom. The orifice is initially closed and water is filled in it upto height H. Now the top is completely sealed with a cap and the orifice at the bottom is opened. Some water comes out from the orifice and the water level in the vessel becomes steady with height of water column being 200 mm. Find the fall in height (in mm) of water level due to opening of the orifice.

Rest of the Questions are attached in below file which is free of cost
Attached Files
File Type: pdf IIT JEE Exam Question Paper.pdf (335.6 KB, 41 views)

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