Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 40 J 30 J 20 J 50 J 40 J 30 J 20 J 50 J ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms An image type which depends on lens curvature An image type which depends on object characteristics A virtual image A real image An image type which depends on lens curvature An image type which depends on object characteristics A virtual image A real image ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to diffraction Due to reflection Due to total internal reflection Due to refraction Due to diffraction Due to reflection Due to total internal reflection Due to refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 10–10 0.01 0.001 1 × 1010 1 × 10–10 0.01 0.001 1 × 1010 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following devices can be used to detect radiant heat ? Six's maximum and minimum thermometer Constant volume air thermometer Liquid thermometer Thermopile Six's maximum and minimum thermometer Constant volume air thermometer Liquid thermometer Thermopile ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following industries is mica as a raw material? Electrical Iron and Steel Cement Glass and Pottery Electrical Iron and Steel Cement Glass and Pottery ANSWER DOWNLOAD EXAMIANS APP
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