class 12

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JEE Main

The forward biased conection is :

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If $X={4_{n}−3n−1:n∈N}andY={9(n−1):n∈N}$, where N is the set of natural numbers, then $X∪Y$is equal to

The integral $∫(1+x−x1 )e_{x+x1}dx$ is equal to

Let $[ϵ_{0}]$ denote the dimensional formula of the permittivity of vacuum. If M = mass, L = length, T = time and A = electric current, then:

If all the words (with or without meaning) having five letters, formed using the letters of the word SMALL and arranged as in a dictionary; then the position of the word SMALL is :

The area (in sq. units) of the region described by ${(x,y):y_{2}≤2x$and $y≥4x−1}$is :

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 :

Which of the following compounds will exhibit geometrical isomerism ?

If $[a×bb×cc×a]=λ[abc]_{2}$, then l is equal to