Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 0.01 0.001 1 × 10–10 1 × 1010 0.01 0.001 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is G.M. Counter Bragg Spectrometer Cyclotron Mass Spectrometer G.M. Counter Bragg Spectrometer Cyclotron Mass Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Permissible noise level at Residential area during night time is : 80 dB (A) 55 dB (A) 45 dB (A) 75 dB (A) 80 dB (A) 55 dB (A) 45 dB (A) 75 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics Electric power is measured in units of Joule Volt Watt Ampere Joule Volt Watt Ampere ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Beats Doppler effect Echo Resonance Beats Doppler effect Echo Resonance ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Wind in the direction of propagation of sound Moisture content in air Temperature of air Pressure of air Wind in the direction of propagation of sound Moisture content in air Temperature of air Pressure of air ANSWER DOWNLOAD EXAMIANS APP
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