Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Roentgen Rads Rems Curie Roentgen Rads Rems Curie ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 100 J 400 J 0 J 200 J 100 J 400 J 0 J 200 J ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The exposure time The focal length of the lens The aperture Size of the camera The exposure time The focal length of the lens The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of mirage Working of binoculars Twinkling of stars Formation of rainbow Formation of mirage Working of binoculars Twinkling of stars Formation of rainbow ANSWER DOWNLOAD EXAMIANS APP
Physics If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used? Convex Cylindrical Concave Plane Convex Cylindrical Concave Plane ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following colour of light deviates least through the prism? Violet Green Yellow Red Violet Green Yellow Red ANSWER DOWNLOAD EXAMIANS APP