fill in the blanks
1) A__________converges the rays of light falling on it
2) Velocity of sound = wavelength ×____
3) the maximum value of pressure or density is indicated by letter______
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Q•1 A__________converges the rays of light falling on it
A•1 A convex lens converges the rays of light falling on it.
Q•2 Velocity of sound = wavelength ×____
A.•2 Velocity of sound = wavelength × frequency
Q•3 the maximum value of pressure or density is indicated by letter______
A•3 Don't know the answer
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