JEE MAIN 2022 ONLINE 28TH JUNE MORNING SHIFT
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Sample questions from this paper
Questions are selected across the paper subjects wherever the paper contains that variety.
Match List-I with List-II
| List-I | List-II | ||
|---|---|---|---|
| (A) | Television signal | (I) | 03 KHz |
| (B) | Radio signal | (II) | 20 KHz |
| (C) | High Quality Music | (III) | 02 MHz |
| (D) | Human speech | (IV) | 06 MHz |
The incorrect statement about the imperfections in solids is :
If
\(\sum\limits_{k = 1}^{31} {\left( {{}^{31}{C_k}} \right)\left( {{}^{31}{C_{k - 1}}} \right) - \sum\limits_{k = 1}^{30} {\left( {{}^{30}{C_k}} \right)\left( {{}^{30}{C_{k - 1}}} \right) = {{\alpha (60!)} \over {(30!)(31!)}}} }\),
where \(\alpha\) \(\in\) R, then the value of 16\(\alpha\) is equal to
Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : n-p-n transistor permits more current than a p-n-p transistor.
Reason R : Electrons have greater mobility as a charge carrier.
Choose the correct answer from the options given below :
The Zeta potential is related to which property of colloids?
Let A be a matrix of order 3 \(\times\) 3 and det (A) = 2. Then det (det (A) adj (5 adj (A3))) is equal to _____________.