Recent questions in JEE

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Find time period of block

asked 12 hours ago in Physics by Prashantt (15 points)

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A thin insulating rod is hinged about one of its ends. It can rotate on a smooth horizontal surface.The charge density...

asked 1 day ago in Electrostatics by sia's chandelier (35 points)

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Calculate lifting power of payload of 500 l balloon filled with H2 gas at 10atm nd 2 degree Celsius. Given density of air =1.2g/l and weight of balloon =50g

asked 1 day ago in States of matter by Tanya Sharma14 (150 points)

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ANS THE GIVEN QUESTION

asked 2 days ago in Sets, relations and functions by Anuj456 (55 points)

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At 90°C, the vapour pressure of toluene is 400 torr and that of σ−xylene is 150 torr.

asked 2 days ago in Solutions by ashish1459 (15 points)

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physical chemistry

asked 3 days ago in Atomic structure by xyzqwe (90 points)

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\( 6 \quad T_{n}=\frac{n+2}{n(n+1)(n+3)} \) find \( S_{\infty} \)

asked 5 days ago in Sequences and series by sourabh9940 (50 points)

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Q. \( 5 \quad T_{n}=\frac{1}{n(n+1)(n+3)} \) find \( S_{\infty} \)

asked 5 days ago in Sequences and series by sourabh9940 (50 points)

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A photon of energy of 10.2 eV is incident on hydrogen atom in ground state.

asked 5 days ago in Physics by PranitYadav (27.8k points)

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How many of the following compounds will give Friedel Craft’s reaction? NH2 NO2 NO2

asked 5 days ago in Chemistry by UdaySingh (14.7k points)

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If work function of a metal is 2.13 eV and energy per photon of incident light is 3.13 eV, then maximum

asked 5 days ago in Physics by PranitYadav (27.8k points)

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There is an imaginary cube of side 2 m where edges are along axes.

asked 5 days ago in Physics by PranitYadav (27.8k points)

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Find the work done (in J) by force F = 3x^2 + 2x – 5 in moving a particle from x = 2 to x = 4.

asked 5 days ago in Physics by PranitYadav (27.8k points)

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In given ray diagram, find distance u (in cm) between two convex lenses.

asked 5 days ago in Physics by PranitYadav (27.8k points)

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Among the elements – Sc, Ti, V, Cr, Mn find magnetic moment of element which have highest ionization enthalpy in +2 oxidation state.

asked 5 days ago in Chemistry by UdaySingh (14.7k points)

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How many total number of stereoisomers are possible for the following structure

asked 5 days ago in Chemistry by UdaySingh (14.7k points)

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A ball of radius 10^-4 m and density 10^5 kg/m^3 is dropped from a height h into water (viscosity = 9.8 x 10^-6 Pa–s)

asked 5 days ago in Physics by PranitYadav (27.8k points)

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For the circuit shown, the truth table Find ‘x’ and ‘y’.

asked 5 days ago in Physics by PranitYadav (27.8k points)

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For which of the following is the I-V characteristics shown below is possible?

asked 5 days ago in Physics by PranitYadav (27.8k points)

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Total sum of number of electrons in π* orbitals of O2. O2^+ and O2^- is

asked 5 days ago in Chemistry by UdaySingh (14.7k points)

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