Physics In a Laser (say neon laser) all the atoms emit the light waves of All of these Same frequency Same amplitude Same phase All of these Same frequency Same amplitude Same phase ANSWER DOWNLOAD EXAMIANS APP
Physics The quality or tone of a musical sound produced by a stringed instrument depends on Length of the strings in the instrument Frequency of vibration Amplitude of vibration Wave form of the sound Length of the strings in the instrument Frequency of vibration Amplitude of vibration Wave form of the sound 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 C1pa = C2pg C2>C1 C1 = C2 C1>C2 C1pa = C2pg C2>C1 ANSWER DOWNLOAD EXAMIANS APP
Physics Brightness of bulb depends on voltage or current? Voltage Current Both A & B None Voltage Current Both A & B None ANSWER DOWNLOAD EXAMIANS APP
Physics Energy that is produced commercially from coal is called Kinetic energy Potential energy Thermal energy Light energy Kinetic energy Potential energy Thermal energy Light energy ANSWER DOWNLOAD EXAMIANS APP
Physics The reason for a swimming pool to appear less deep than the actual depth is Interference Refraction Reflection Light scattering Interference Refraction Reflection Light scattering ANSWER DOWNLOAD EXAMIANS APP
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