When a wave is reflected at a fixed end, the reflected and incident waves have a phase difference of |
A) 0 | B) π/4 | C) π/2 | D) π |
When a wave is reflected at a free end, the reflected and incident waves have a phase difference of |
A) 0 | B) π/4 | C) π/2 | D) π |
Wave of amplitude A and wavelength λ arrives at a fixed end. Amplitude of vibration λ/4 from the fixed end is |
A) A | B) 2A | C) A/2 | D) none of these |
Wave of amplitude A and wavelength λ arrives at a free end. Amplitude of vibration λ/8 from the free end is |
A) A | B) √2A | C) A/2 | D) A/√2 |
A wave of amplitude A and wavelength λ passes from a thicker rope to thinner rope. Amplitude and wavelength of the transmitted wave are |
A) A, λ | B) less than A, less than λ |
C) A, less than λ | D) more than A, more than λ |
When a wave passes across a junction of two ropes |
A) transmitted and incident waves are always in phase |
B) transmitted and incident waves are always out of phase |
C) reflected and incident waves are always in phase |
D) reflected and incident waves are always out of phase |
When a wave passes from a thin rope to thick rope across a junction of the ropes |
A) transmitted and incident waves are in phase |
B) transmitted and incident waves are out of phase |
C) reflected and incident waves are in phase |
D) reflected and incident waves are out of phase |
When a wave passes from a thick rope to thin rope across a junction of the ropes |
A) transmitted and reflected waves are in phase |
B) transmitted and incident waves are in phase |
C) both |
D) none |
A pulse is travelling at v on a rope of length L as shown. The shape of the pulse will be same after a minimum time of |
A) L/v | B) L/2v | C) 2L/v | D) none of these |
A wave of amplitude A is reflected at a fixed end. Assuming 36% loss of energy due to reflection, the amplitude of the reflected wave will be |
A) 0.36A | B) 0.64A | C) 0.8A | D) 0.6A |