Physics Which of the following waves cannot be polarised? Ultra violet Ultrasonic Infrared Radio Ultra violet Ultrasonic Infrared Radio ANSWER DOWNLOAD EXAMIANS APP
Physics The reflector of a search light is a : Convex mirror Cylindrical mirror Plane mirror Concave mirror Convex mirror Cylindrical mirror Plane mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Travel with the speed of light Can affect photographic plates Can be reflected or refracted Have low penetrating power Travel with the speed of light Can affect photographic plates Can be reflected or refracted Have low penetrating power ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following physical quantities has the same dimensions as that of Planck's constant? Force Potential energy Angular momentum Linear momentum Force Potential energy Angular momentum Linear momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Relative humidity is expressed as Ratio Kilograms Percentage Grams Ratio Kilograms Percentage Grams ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Ionosphere Stratosphere Exosphere Mesosphere Ionosphere Stratosphere Exosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS