Physics The ordinary and maximum tolerance limit of sound by human being is 70 db to 85 db (decibel) 60 db to 80 db (decibel) 65 db to 75 db (decibel) 50 db to 70 db (decibel) 70 db to 85 db (decibel) 60 db to 80 db (decibel) 65 db to 75 db (decibel) 50 db to 70 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Pressure Humidity Temperature Density Pressure Humidity Temperature Density ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicle tyres are inflated properly To allow the vehicle to take more load. To ensure smooth running. To go fast and save fuel. To avoid skidding and to minimise friction To allow the vehicle to take more load. To ensure smooth running. To go fast and save fuel. To avoid skidding and to minimise friction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Mirage Rainbow Earthshine Halo Mirage Rainbow Earthshine Halo ANSWER DOWNLOAD EXAMIANS APP
Physics Which has the lowest albedo? Dark surfaces None of these Both A & B Light surfaces Dark surfaces None of these Both A & B Light surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years 42 seconds 42 years 4.2 seconds 4.2 years 42 seconds 42 years 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP
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