Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 May 2012)
done JEE Main Paper (Held On 12 May 2012) Total Questions - 2
question_answer1) This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement 1: Bats emitting ultrasonic waves can detect the location of a prey by hearing the waves reflected from it. Statement 2: When the source and the detector are moving, the frequency of reflected waves is changed.
JEE Main Online Paper (Held On 12 May 2012)
A)
Statement 1 is false. Statement 2 is true.
doneclear
B)
Statement 1 is true, Statement 2 is false.
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C)
Statement 1 is true. Statement 2 is true, Statement 2 is not the correct explanation of Statement 1.
doneclear
D)
Statement 1 is true. Statement 2 is true, Statement 2 is the correct explanation of Statement 1.
question_answer2) A wave represented by the equation \[{{y}_{1}}=a\cos (kx-\omega t)\]is superimposed with another wave to form a stationary wave such that the point x ? 0 is node. The equation for the other wave is
JEE Main Online Paper (Held On 12 May 2012)