# Final alternate assessment seven questions (6 short answer questions and 1 case study question)…

1. A student is performing the experiment of resonance column. The diameter of the column tube is 4 cm. The frequency of the tuning fork is 512 Hz. The air temperature is 38C in which the speed of sound is 336 m/s. The zero of the meter scale coincides with the top end of the Resonance Column tube. When the first resonance occurs, the reading of the water level in the column is (a) 14.0 cm (b) 15.2 cm (c) 16.4 cm (d) 17.6 cm 2. A sonometer wire of length 1.5 m is made of
View complete question 1. A student is performing the experiment of resonance column. The diameter of the column tube is 4 cm. The frequency of the tuning fork is 512 Hz. The air temperature is 38C in which the speed of sound is 336 m/s. The zero of the meter scale coincides with the top end of the Resonance Column tube. When the first resonance occurs, the reading of the water level in the column is (a) 14.0 cm (b) 15.2 cm (c) 16.4 cm (d) 17.6 cm 2. A sonometer wire of length 1.5 m is made of steel. The tension in it produces an elastic strain of 1%. What is the fundamental frequency of wire if density and elasticity of steel are 7.7 * 103 and 2.2 * 1011 N/m2 respectively? (a) 178.2 Hz (b) 200.5 Hz (c) 770 Hz (d) 188.5 Hz

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