Physics Which among the following determines the pitch of a sound? Loudness Amplitude Frequency Wavelength Loudness Amplitude Frequency Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1>C2 C1 = C2 C2>C1 C1pa = C2pg C1>C2 C1 = C2 C2>C1 C1pa = C2pg ANSWER DOWNLOAD EXAMIANS APP
Physics Which one type of radiation has the longest wave length X-ray Radio Wave Ultraviolet Infrared X-ray Radio Wave Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Ionosphere Stratosphere Exosphere Mesosphere Ionosphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a form of Energy? Sound Motion Pressure Heat Sound Motion Pressure Heat ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Temperature Frequency Wavelength None of these Temperature Frequency Wavelength None of these ANSWER DOWNLOAD EXAMIANS APP