Physics The surface tension of water on adding detergent to it Becomes zero No change Decreases Increases Becomes zero No change Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 12 36 50 24 12 36 50 24 ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Concave None of these Convex Plano-concave Concave None of these Convex Plano-concave ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Parabolic concave Spherical convex Plane Cylindrical concave Parabolic concave Spherical convex Plane Cylindrical concave ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a freely falling body is an example of ________ motion. Uniformly accelerated Constant speed Constant velocity Non-uniformly accelerated Uniformly accelerated Constant speed Constant velocity Non-uniformly accelerated ANSWER DOWNLOAD EXAMIANS APP
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