TS EAMCET 2023 (Online) 12th May Evening Shift | Waves Question 11 | Physics

A rod of length $L$ and negligible mass is suspended by two identical strings $A B$ and $C D$ as shown in the figure A mass $M$ is suspended from point $O$ which is at a distance $x$ from $B$. If the frequency of the first harmonic of $A B$ is equal to the frequency of the second harmonic of $C D$, then the value of $x$ is

TS EAMCET 2023 (Online) 12th May Evening Shift Physics - Waves Question 1 English

$\frac{L}{5}$

$\frac{2 L}{7}$

$\frac{3 L}{10}$

$\frac{L}{g}$

TS EAMCET 2023 (Online) 12th May Evening Shift

MCQ (Single Correct Answer)

-0

An observer moves towards a stationary source of sound with a speed $\frac{1}{5}$ th that of sound. The frequency of ${ }^{\text {th }}$ sound emitted by the source of $f$. The apparent frequency recorded by the observer is

$1.2 f$

$f$

$0.8 f$

$2 f$

TS EAMCET 2023 (Online) 12th May Morning Shift

MCQ (Single Correct Answer)

-0

A heavy uniform rope is suspended vertically from a ceiling and is in equilibrium. A pulse is generated at the bottom end of the rope as shown. As the pulse travels up the rope, its acceleration at any instant is ( $g$ is acceleration due to gravity TS EAMCET 2023 (Online) 12th May Morning Shift Physics - Waves Question 3 English

TS EAMCET 2023 (Online) 12th May Morning Shift Physics - Waves Question 3 English

constant and equal to $\frac{g}{2}$

variable but equal to $\frac{g}{2}$ when the pulse is exactly at the middle of the string

Constant and equal to g

variable but equal to $g$ when the pulse is exactly at the middle of the string

TS EAMCET 2023 (Online) 12th May Morning Shift

MCQ (Single Correct Answer)

-0

A wave is given by the equation $y=(0.02) \sin (\pi x-8 \pi /$ then the velocity of the wave is $(y$ and $x$ are in metre and $t$ is in second)

$16 \mathrm{~ms}^{-1}$

$2 \mathrm{~ms}^{-1}$

$8 \mathrm{~ms}^{-1}$

$18 \mathrm{~ms}^{-1}$

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