Physics Parabolic mirrors are used in Car headlights Dentists mirros Shaving mirros Driving mirrors Car headlights Dentists mirros Shaving mirros Driving mirrors ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? A will reach the ground first. Both the spheres will reach the ground simultaneously. The question is incomplete because the masses of the spheres are not given. B will reach the ground first. A will reach the ground first. Both the spheres will reach the ground simultaneously. The question is incomplete because the masses of the spheres are not given. B will reach the ground first. ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust does not stick to the ice. Saw dust will not get melted easily. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. Saw dust does not stick to the ice. Saw dust will not get melted easily. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? No radiation of heat takes place Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Working of binoculars Formation of rainbow Twinkling of stars Formation of mirage Working of binoculars Formation of rainbow Twinkling of stars Formation of mirage ANSWER DOWNLOAD EXAMIANS APP
Physics Shaving mirror is Parabolic Concave Convex Plane Parabolic Concave Convex Plane ANSWER DOWNLOAD EXAMIANS APP
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