Physics The frequency of direct current is ________ Zero 50 HZ 100 HZ 60 HZ Zero 50 HZ 100 HZ 60 HZ ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less pressure than dry air. More pressure than dry air. Less density than dry air. More density than dry air. Less pressure than dry air. More pressure than dry air. Less density than dry air. More density than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is Interference Reflection Diffraction Dispersion Interference Reflection Diffraction Dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Earth spinning on its axis Motion of a ceiling fan Simple pendulum motion Ball bouncing on floor Earth spinning on its axis Motion of a ceiling fan Simple pendulum motion Ball bouncing on floor ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 75 J 150 J 100 J 50 J 75 J 150 J 100 J 50 J ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses ANSWER DOWNLOAD EXAMIANS APP
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