Oscillations and Waves-Speed of a Wave (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 4 of 9

Question

V ₁ and V ₂ are the velocities of sound at the same temperature in two monoatomic gases of densities ρ ₁ and ρ ₂ respectively. If then the ratio of velocities V ₁ and V ₂ will be,

Question

A wave represented by the given equation where x is in meter and t is in second. The expression represents,

(1) A wave travelling in the negative X direction with a velocity of 1.5 m/sec

(2) A wave travelling in the negative X direction with a wavelength of 0.2 m

(3) A wave travelling in the positive X direction with a velocity of 1.5 m/sec.

(4) A wave travelling in the positive X direction with a wavelength of 0.2 m

Select the correct answers and mark it according to the following codes:

Question

A transverse wave is represented by the equation , Here v = wave velocity. For what value of x, the maximum particle velocity equal to two times the wave velocity

Question

A wave of frequency 400 Hz has velocity 360 m/sec. The distance between two nearest points 60° out of phase, is