Physics Fiber optics cable used in communication, works on the principle of Refraction of light Diffuse reflection of light Regular reflection of light Total internal reflection of light Refraction of light Diffuse reflection of light Regular reflection of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following devices can be used to detect radiant heat ? Liquid thermometer Constant volume air thermometer Six's maximum and minimum thermometer Thermopile Liquid thermometer Constant volume air thermometer Six's maximum and minimum thermometer Thermopile ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Grazer Maser Eraser Laser Grazer Maser Eraser Laser ANSWER DOWNLOAD EXAMIANS APP
Physics Safety fuse wire used in domestic electrical appliances is made of metal of low Conductance Resistance Specific gravity Melting point Conductance Resistance Specific gravity Melting point ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of water decreases at higher altitudes is due to Low atmospheric pressure High atmospheric pressure High temprature Low temperature Low atmospheric pressure High atmospheric pressure High temprature Low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled ANSWER DOWNLOAD EXAMIANS APP