Physics The magnifying power of an astronomical telescope can be decreased by Increasing the focal length of the eyepiece None of these Decreasing the focal length of the eyepiece Increasing the focal length of the objective Increasing the focal length of the eyepiece None of these Decreasing the focal length of the eyepiece Increasing the focal length of the objective ANSWER DOWNLOAD EXAMIANS APP
Physics In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch? To allow the microwaves to get into the food through the holes To allow the heat to get into the food through the hole To prevent the steam pressure from bursting open the pouch To allow the aroma of the food to come out through the holes To allow the microwaves to get into the food through the holes To allow the heat to get into the food through the hole To prevent the steam pressure from bursting open the pouch To allow the aroma of the food to come out through the holes ANSWER DOWNLOAD EXAMIANS APP
Physics Which law is also called law of inertia ? Newton third law All of above Newton second law Newton first law Newton third law All of above Newton second law Newton first law ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a freely falling body is an example of ________ motion. Non-uniformly accelerated Constant velocity Constant speed Uniformly accelerated Non-uniformly accelerated Constant velocity Constant speed Uniformly accelerated ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Blue White Black Grey Blue White Black Grey ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. mercury is a metal. density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. mercury is a metal. ANSWER DOWNLOAD EXAMIANS APP