A New Approach to ICSE Physics Class 10 Solutions. We covered all the A New Approach to ICSE Physics Class 10 Solutions in this post for free so that you can practice well for the exam.
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ICSE Physics Class 10 Mock Test for Students
The velocity of sound waves in air is 330 m/s. For a particular sound in air, a path difference of 40 cm is equivalent to a phase difference of 1.67. The frequency of this wave is :
(A) 165 Hz
(B) 150 Hz
(C) 660 Hz
(D) 330 Hz
Option c – 660 Hz
The phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is 90°. The wave velocity is :
(A) 144 m/s
(B) 256 m/s
(C) 384 m/s
(D) 720 m/s
Option c – 384 m/s
The equation of a sound wave is y = 0.0015 sin (62.8 x + 316 t). Find the wavelength of this wave :
(A) 0.2 unit
(B) 0.1 unit
(C) 0.3 unit
(D) 0.4 unit
Option b – 0.1 unit
If the equation of motion of a simple harmonic progressive wave is y = 0.3 sin (314 t – 1.57 x) the velocity of the wave will be :
(A) 100 unit
(B) 200 unit
(C) 300 unit
(D) 400 unit
Option b – 200 unit
Equations of two simple harmonic progressive waves are y₁ = a sin (wt – kx) y₂ = a sin(kx + wt) then :
(A) The waves are moving in opposite directions
(B) Phase difference between them is 90°
(C) Phase difference between them is 180°
(D) Phase difference between them is 270°
Option a – The waves are moving in opposite directions
For a wave traveling in the positive direction of the X-axis, the particles at higher values of x :
(A) Lag behind in phase
(B) Lead in phase
(C) Have the same phase as any other particle
(D) None of the above
Option a – Lag behind in phase
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