JEE MAINS Tutorial Course
JEE Mains
24 Jan 2023 - Shift 1
Physics
QuestionA travelling wave is described by the equation
The velocity of the wave is : [ all the quantities are in SI unit ]
(A)0.5 ms-1 (B) 8 ms-1 (C) 2 ms -1 (D) 4 ms-1
Answer
Angular Frequency = 4 and Wave number is 8 So the answer is .5
Chemistry

AnswerWe know that square root of frequency of x-ray is directly proportional to the atomic number! So square root of v = v raised to n. That's why value of n is 1/2.
Maths
Question is equal to ...
AnswerRemember that
So
is equal tois equal to
is equal to