Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 500 J 5 J 0.2 J 20 J 500 J 5 J 0.2 J 20 J ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following has the longest wavelength? Infrared radiation X-ray radiation Visible radiation Ultraviolet radiation Infrared radiation X-ray radiation Visible radiation Ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because The density of mercury is greater than that of steel Of the high viscosity of mercury Mercury is a semisolid Of the surface tension of mercury The density of mercury is greater than that of steel Of the high viscosity of mercury Mercury is a semisolid Of the surface tension of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by None of these Increasing the focal length of the objective Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece None of these Increasing the focal length of the objective Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics Which one type of radiation has the longest wave length Infrared X-ray Radio Wave Ultraviolet Infrared X-ray Radio Wave Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
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