Physics Which determines the frequency of a sound wave? Amplitude Speed Medium Source Amplitude Speed Medium Source ANSWER DOWNLOAD EXAMIANS APP
Physics When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ? Half One-fourth Two times Four times Half One-fourth Two times Four times ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Daniell cell Photovoltaic cell Galvanic cell Electrochemical cell Daniell cell Photovoltaic cell Galvanic cell Electrochemical cell ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not reversible? Peltier effect Seebeck effect Thomson effect Joule effect Peltier effect Seebeck effect Thomson effect Joule effect ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? B will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. A will reach the ground first. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. A will reach the ground first. ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 20 Hz 15 Hz 5 Hz 32 Hz 20 Hz 15 Hz 5 Hz 32 Hz ANSWER DOWNLOAD EXAMIANS APP