Physics Which phenomenon is responsible for the echo of sound wave? Refraction Interference Polarisation Reflection Refraction Interference Polarisation Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance Low melting point Low work function High melting point Low resistance Low melting point Low work function High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel through Liquid Vacuum Solid Gas Liquid Vacuum Solid Gas ANSWER DOWNLOAD EXAMIANS APP
Physics Which law relates to the ideal gas law? T1/V1 = T2/V2 P1/V1 = P2/V2 P1T1 = P2T2 P1V1 = P2V2 T1/V1 = T2/V2 P1/V1 = P2/V2 P1T1 = P2T2 P1V1 = P2V2 ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The pressure of blood in capillaries is greater than the outside pressure The pressure at high altitudes is greater than that on the plains The blood pressure of a person increases at high altitudes The blood pressure fluctuates and finally decreases drastically The pressure of blood in capillaries is greater than the outside pressure The pressure at high altitudes is greater than that on the plains The blood pressure of a person increases at high altitudes The blood pressure fluctuates and finally decreases drastically ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Yellow Blue Orange Green Yellow Blue Orange Green ANSWER DOWNLOAD EXAMIANS APP
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