Physics Which one among the following doesn't have any effect on velocity of sound ? Humidity Pressure Temperature Density Humidity Pressure Temperature Density ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? These make work easier Both A & B None of these Work input > work output These make work easier Both A & B None of these Work input > work output ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Interference Reflection Refraction Scattering Interference Reflection Refraction Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, It must have constant speed It must have constant direction It must have constant speed in constant direction None of these It must have constant speed It must have constant direction It must have constant speed in constant direction None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Battery Solar cell panel Solar heater Solar cooker Battery Solar cell panel Solar heater Solar cooker ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same frequency All of these Same phase Same amplitude Same frequency All of these Same phase Same amplitude ANSWER DOWNLOAD EXAMIANS APP
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