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Human being can hear range of sound frequency between1 AnswerIn the following statements, tick T against those which are true, and F against those which are false cbse-class8-physics-20151 AnswerA police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/hr towards a tall building which reflects the sound waves. The speed of sound in air is 320 m/s. The frequency of the siren heard by the car driver is - jee main 2012 physics 1 AnswerGate-20161 AnswerAn accelerometer has input range of 0-10g, natural frequency 30Hz and mass 0.001kg. The range of the secondary displacement transducer in mm required to cover the input range is GATE-Instrumentational-Engineering-20131 AnswerThe maximum frequency of a force signal in Hz below the natural frequency within its useful midband range of measurement, for which the gain amplitude is less than 1.05 approximately is: GATE-Instrumentational-Engineering-20131 AnswerFill in the blanks with suitable words. cbse-class8-physics-20151 AnswerWhat are the commonly used frequency ranges in communication systems? Mention the applications of each range.1 Answer.Gate-20161 AnswerFrequency of an analog periodic signal in the range of 5kHz –10kHz is to be measured with a resolution of 100Hz by measuring its period with a counter. Assuming negligible signal and transition delays the minimum clock frequency and minimum 1 AnswerThe minimum frequency of a force signal in Hz within its useful mid-band range of measurement for which the gain amplitude is more than 0.95 approximately is: GATE-Instrumentational-Engineering-20131 AnswerA vortex flowmeter works on the principle that the Strouhal number of 0.2 is a constant over a wide range of flow rates GATE-Aerospace Engineering-Question-20121 AnswerA 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 38ºC 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 - jee main 20123 AnswerCalculate range and coefficient of range from the following data: 8, 16, 24, 30, 49, 45, 66, 54 (-Economics CBSE class 11)1 AnswerA band limited signal with a maximum frequency of 5 kHz is to be sampled.According to the sampling theorem, the sampling frequency in kHz which is not valid is GATE-Instrumentational-Engineering-20131 AnswerThe approximate model obtained by retaining only one of the above poles, which is closest to the frequency response of the original transfer function at low frequency is GATE-Instrumentation-Engineering-20141 AnswerAn air–filled rectangular waveguide of internal dimensions a cm bcm a b has a cutoff frequency of 6 GHz for the dominant TE10 mode. -GATE EC 20151 AnswerA transit time ultrasonic flow meter uses a pair of ultrasonic transducers placed at 45o angle, as shown in the figure. GATE-Instrumentation-Engineering-20141 AnswerGive the following measurements Frequency of FP operations=25% Average CPI of other instructions=1.33 Average CPI of FP operations=4.0 Frequency of FPSQR=2% CPI of FPSQR = 20 Assume that the two design alternatives are to decrease the CPI of FPSQR to1 Answer Why was Mrs. Bramble upset when she came to hear that Bill had decided not to fight?English-CBSE-Class-9 NCERT Solutions1 Answer