AIPMT 2009 | Waves Question 40 | Physics

Each of the two strings of length 51.6 cm and 49.1 cm are tensioned separately by 20 N force. Mass per unit length of both the strings is same and equal to 1 g/m. When both the strings vibrate simultaneously the number of beats is

AIPMT 2008

MCQ (Single Correct Answer)

-1

The wave described by y = 0.25 sin(10$$\pi $$x $$-$$ 2$$\pi $$t), where x and y are in metres and t in seconds, is a wave travelling along the

+ve x direction with frequency 1 Hz and wavelength $$\lambda $$ = 0.2 m.

$$-$$ve x direction with amplitude 0.25 m and wavelength $$\lambda $$ = 0.2 m.

$$-$$ve x direction with frequency 1 Hz.

+ve x direction with frequency $$\pi $$ Hz and wavelength $$\lambda $$ = 0.2 m.

AIPMT 2008

MCQ (Single Correct Answer)

-1

Two periodic waves of intensities $$I$$₁ and $$I$$₂ pass through a region at the same time in the same direction. The sum of the maximum and minimum intensities is

$${\left( {\sqrt {{I_1}} - \sqrt {{I_2}} } \right)^2}$$

$$2\left( {{I_1} + {I_2}} \right)$$

$${{I_1} + {I_2}}$$

$${\left( {\sqrt {{I_1}} + \sqrt {{I_2}} } \right)^2}$$

AIPMT 2008

MCQ (Single Correct Answer)

-1

A point performs simple harmonic oscillation of period T and the equation of motion is given by x = a sin($$\omega $$t + $$\pi $$/6). After the elapse of what fraction of the time period the velocity of the point will be equal to half of its maximum velocity?

T/3

T/12

T/8

T/6

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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution