JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
- A wire having length l and resistance R is stretched then its new leng...
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- There are two electric dipoles P1 & P2 kept in two different uniform e...
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- Four rings,each of mass M and radius R are rigidly connected (welded) ...
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- The wave equation is given by y(x,t) = 0.5 sin (2pi/lambda (400t-x)) t...
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- The optical power of a double convex lens is 1.25 /m. Refractive index...
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- Linear mass density of rod varies as lambda = lambda0(1-(x^2/l^2)). Fi...
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- Potential energy of a particle varies with x as U=4(1-cos 4x). Find ti...
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- An object is moving at 2cm/s along principle axis as shown. Find posit...
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- Two photons are incident on a metal if energy of first proton is 10 ti...
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- Capacitance of a particle plate capacitor having plate seperation d is...
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- A radioactive substance decay is 7/8 in 15min. What is its half life t...
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- A ball is thrown vertically upwards with the speed of 19.6 ms^(-1) fro...
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- A simple pendulum has time period 4s at earth surface. An another simp...
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- Find ratio of magnetic field at center of circular current carrying lo...
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- Find force in CD
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- A pipe with area of cross section 5 cm^2 is ejecting water with speed ...
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- In circuit shown below find current high battery just after closing th...
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- Find power consumption in B1
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