Physics The ordinary and maximum tolerance limit of sound by human being is 50 db to 70 db (decibel) 65 db to 75 db (decibel) 70 db to 85 db (decibel) 60 db to 80 db (decibel) 50 db to 70 db (decibel) 65 db to 75 db (decibel) 70 db to 85 db (decibel) 60 db to 80 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Our perspiration eva-porates rapidly Fan cools the air Fan supplies cool air Conductivity of air increases Our perspiration eva-porates rapidly Fan cools the air Fan supplies cool air Conductivity of air increases ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 0.12847222222222 0.21041666666667 2.0958333333333 1.0479166666667 0.12847222222222 0.21041666666667 2.0958333333333 1.0479166666667 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Concave lens Convex lens Glass slab Prism Concave lens Convex lens Glass slab Prism ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of transmission depends upon Neither A nor B Both (A) and (B) Nature of medium only Nature of signal only Neither A nor B Both (A) and (B) Nature of medium only Nature of signal only ANSWER DOWNLOAD EXAMIANS APP
Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Latent heat of vaporization of water decreases Latent heat of vaporization of water increases Boiling point of water decreases Boiling point of water increases Latent heat of vaporization of water decreases Latent heat of vaporization of water increases Boiling point of water decreases Boiling point of water increases ANSWER DOWNLOAD EXAMIANS APP
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