Physics Permissible noise level at Residential area during night time is : 45 dB (A) 55 dB (A) 80 dB (A) 75 dB (A) 45 dB (A) 55 dB (A) 80 dB (A) 75 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Audible sounds Ultrasonics Infrasonics Megasonics Audible sounds Ultrasonics Infrasonics Megasonics ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because These provide cross ventilation in the room The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide some sunlight in the room These provide cross ventilation in the room The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide some sunlight in the room ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement describes the pressure of a gas? None of these 251 g/cub.cm 450 mm Hg 315 K None of these 251 g/cub.cm 450 mm Hg 315 K ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria X-rays Microwave radiation Infrared rays Ultra-violet radiation X-rays Microwave radiation Infrared rays Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The wave theory of light can explain Photoelectric effect Black body spectrum Comptom effect Interference of light Photoelectric effect Black body spectrum Comptom effect Interference of light ANSWER DOWNLOAD EXAMIANS APP
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