Physics Acceptable noise level for human ear None of these > 85 db = 85 db < 85 db None of these > 85 db = 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Radioactivity Nuclear fission Artificial radioactivity Nuclear fusion Radioactivity Nuclear fission Artificial radioactivity Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is A measure of sound level The wavelength of noise A musical note A musical instrument A measure of sound level The wavelength of noise A musical note A musical instrument ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a compound machine? Screw Ramp Bicycle Knife Screw Ramp Bicycle Knife ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The evaporation of a volatile liquid The ice which deposits on the freezer The sudden expansion of a compressed gas None of these The evaporation of a volatile liquid The ice which deposits on the freezer The sudden expansion of a compressed gas None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is a term connected with : Water Air Sound Soil Water Air Sound Soil ANSWER DOWNLOAD EXAMIANS APP