Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Audible wave Microwave Ultrasonic wave Infrasonic wave Audible wave Microwave Ultrasonic wave Infrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following developed the technology of underground nuclear explosion ? Dr. Homi J. Bhabha Dr. Vikram Sarabhai Dr. P. K. Iyengar Dr. Raja Ramanna Dr. Homi J. Bhabha Dr. Vikram Sarabhai Dr. P. K. Iyengar Dr. Raja Ramanna ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The velocity of electron is smaller than that of visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as Its wavelength is the longest It has very high energy It is scattered It is a striking colour Its wavelength is the longest It has very high energy It is scattered It is a striking colour ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle He may increase his speed His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle He may increase his speed ANSWER DOWNLOAD EXAMIANS APP
Physics Planets are non-luminous heavenly bodies luminous heavenly bodies that do not twinkle luminous heavenly bodies that twinkle luminous heavenly bodies revolving around a star non-luminous heavenly bodies luminous heavenly bodies that do not twinkle luminous heavenly bodies that twinkle luminous heavenly bodies revolving around a star ANSWER DOWNLOAD EXAMIANS APP
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