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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 AnswerFill in the blanks with suitable words. cbse-class8-physics-20151 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 AnswerWhat are the commonly used frequency ranges in communication systems? Mention the applications of each range.1 AnswerThe Miller effect in the context of a Common Emitter amplifier explains -gate Electronics and Communication 20171 AnswerStandard air – filled rectangular waveguides of dimensions a = 2.29 cm and b= 1.02 cm are designed for radar applications. It is desired that these waveguides operate only in the dominatnt1 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 Answer The frequency range (in Hz) that defines dead-band in magnetotelluric source signal is -gate Geology & Geophysics 2017 1 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 Answer What is an equivalence partition (also known as an equivalence class)?0 AnswerCalculate range and coefficient of range from the following data: 8, 16, 24, 30, 49, 45, 66, 54 (-Economics CBSE class 11)1 AnswerIn the circuit shown, transistors Q1 and Q2 are biased at a collector current of 2.6mA. Assuming that transistor current gains are sufficiently large to assume collector current equal to emitter current and thermal voltage of 26 mV, the magnitude of voltage gain1 Answer In frequency domain IP, which one of the following frequency ranges (in Hz) is used to measure apparent resistivity at DC and AC limits? -gate Geology & Geophysics 20172 Answer