Physics Which determines the frequency of a sound wave? Source Medium Amplitude Speed Source Medium Amplitude Speed ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° ANSWER DOWNLOAD EXAMIANS APP
Physics What colour does blue and yellow make? Green White Red Black Green White Red Black ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because All of these It forms erect (upright) image It forms real image It forms smaller image as compared with object All of these It forms erect (upright) image It forms real image It forms smaller image as compared with object ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Decreases Unchanged Increases Depends upon the metal Decreases Unchanged Increases Depends upon the metal ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Our perspiration eva-porates rapidly Fan supplies cool air Fan cools the air Conductivity of air increases Our perspiration eva-porates rapidly Fan supplies cool air Fan cools the air Conductivity of air increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS