Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Troposphere Mesosphere Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following cannot be used for making lenses? Water Soil Plastic Glass Water Soil Plastic Glass ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Air, water and iron Water, iron and air Iron, air and water Iron, water and air Air, water and iron Water, iron and air Iron, air and water Iron, water and air ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by None of these Increasing the focal length of the objective Increasing the focal length of the eyepiece Decreasing the focal length of the eyepiece None of these Increasing the focal length of the objective Increasing the focal length of the eyepiece Decreasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics To open a door easily, the handle should be fixed Near the hinges Away from mid-point opposite to hinges None of these In the middle Near the hinges Away from mid-point opposite to hinges None of these In the middle ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Remain straight Bend towards right Bend towards left None of these Remain straight Bend towards right Bend towards left None of these ANSWER DOWNLOAD EXAMIANS APP
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