class 12

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JEE Main

The major product expected from the following reaction is :

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The number of integers greater than $6,000$ that can be formed, using the digits $3,5,6,7and8,$ without repetition, is :

Let $y(x)$ be the solution of the differential equation $(xgx)dxdy +y=2xgx,(x≥1)$ Then $y(e)$ is equal to :

If a piece of metal is heated to temperature $θ$ and then allowed to cool in a room which is at temperature $θ_{0}$ the graph between the temperature T of the metal and time t will be closest to :

The magnetic field in a travelling electromagnetic wave has a peak value of 20 nT. The peak value of electric field strength is :

Match List - I (Fundamental Experiment) with List - II (its conclusion) and select the correct option from the choice given below the list :

If the lines $1x−2 =1y−3 =−kx−4 $ and $kx−1 =2y−4 =1x−5 $are coplanar, then k can have

$(lim)_{x→0}x_{2}sin(πcos_{2}x) $ is equal to

Synthesis of each molecule of glucose in photosynthesis involves: