1. 41EOp. = 4 x 10-7 Wb/2.3. C = 3 x 10% m/s4. g = 9.8 m/s?5. TI = 3.142SECTION-AThe speed of a particle can be .........(a) Zero, positive or negative(6) Zero or negative but never positive(c) Zero or positive but never negative(d) Never zero.A tuning fork produces sound waves in air, Ift!increases .........(a) The frequency increases(6) The wavelength increases(c) The speed of propagation decreases(d) The frequency decreases.

1. 41EOp. = 4 x 10-7 Wb/2.3. C = 3 x 10% m/s4. g = 9.8 m/s?5. TI = 3.1

1.	1. 41EOp. = 4 x 10-7 Wb/2.3. C = 3 x 10% m/s4. g = 9.8 m/s?5. TI = 3.142SECTION-AThe speed of a particle can be .........(a) Zero, positive or negative(6) Zero or negative but never positive(c) Zero or positive but never negative(d) Never zero.A tuning fork produces sound waves in air, Ift!increases .........(a) The frequency increases(6) The wavelength increases(c) The speed of propagation decreases(d) The frequency decreases.
Answer» <p>option c because speed cannot be negative</p>