Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top ANSWER DOWNLOAD EXAMIANS APP
Physics One should not connect a number of electrical appliances to the same power socket because this can damage the domestic wiring due to overloading this can damage the appliances due to overloading this can damage the electrical meter the appliance will not get full voltage this can damage the domestic wiring due to overloading this can damage the appliances due to overloading this can damage the electrical meter the appliance will not get full voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Interference Refraction Scattering Total internal reflection Interference Refraction Scattering Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 4 8 72 36 4 8 72 36 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 Convex mirrors are used as a rear view mirror in motor cycles because It forms smaller image as compared with object It forms real image All of these It forms erect (upright) image It forms smaller image as compared with object It forms real image All of these It forms erect (upright) image ANSWER DOWNLOAD EXAMIANS APP
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