Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -12.33 diopters 4.33 diopters 12.33 diopters -4.33 diopters -12.33 diopters 4.33 diopters 12.33 diopters -4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Centrifugal force increases with Temperature Pressure Humidity Acceleration Temperature Pressure Humidity Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics On which day 'National Science Day' is celebrated in India ? 43884 43887 43886 43889 43884 43887 43886 43889 ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops fall from great height. Which among the following statements is true regarding it? Their velocity increases and they fall with different velocity on the earth Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets They fall with same ultimate velocity Their velocity increases and they fall with different velocity on the earth Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets They fall with same ultimate velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) Weighing will depend on their masses The silver piece will weigh more Both silver and gold pieces weigh equal The gold piece will weigh more Weighing will depend on their masses The silver piece will weigh more Both silver and gold pieces weigh equal The gold piece will weigh more ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only the surface of the bar gets magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the surface of the bar gets magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised ANSWER DOWNLOAD EXAMIANS APP