1
JEE Main 2022 (Online) 28th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

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

A
A-I, B-II, C-III, D-IV
B
A-IV, B-III, C-I, D-II
C
A-IV, B-III, C-II, D-I
D
A-I, B-II, C-IV, D-III
2
JEE Main 2022 (Online) 28th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The velocity of sound in a gas, in which two wavelengths 4.08 m and 4.16 m produce 40 beats in 12s, will be :

A
282.8 ms$$-$$1
B
175.5 ms$$-$$1
C
353.6 ms$$-$$1
D
707.2 ms$$-$$1
3
JEE Main 2022 (Online) 28th June Morning Shift
Numerical
+4
-1
Change Language

A pendulum is suspended by a string of length 250 cm. The mass of the bob of the pendulum is 200 g. The bob is pulled aside until the string is at 60$$^\circ$$ with vertical as shown in the figure. After releasing the bob, the maximum velocity attained by the bob will be ____________ ms$$-$$1. (if g = 10 m/s2)

JEE Main 2022 (Online) 28th June Morning Shift Physics - Simple Harmonic Motion Question 46 English

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4
JEE Main 2022 (Online) 28th June Morning Shift
Numerical
+4
-1
Change Language

A meter bridge setup is shown in the figure. It is used to determine an unknown resistance R using a given resistor of 15 $$\Omega$$. The galvanometer (G) shows null deflection when tapping key is at 43 cm mark from end A. If the end correction for end A is 2 cm, then the determined value of R will be ____________ $$\Omega$$.

JEE Main 2022 (Online) 28th June Morning Shift Physics - Current Electricity Question 116 English

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