Physics What is a compound microscope? A microscope whose lenses are concave. A microscope whose lenses are convex. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are concave. A microscope whose lenses are convex. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. ANSWER DOWNLOAD EXAMIANS APP
Physics Materials that allow electricity to flow are called Electron flows Conductors Stimulators Insulators Electron flows Conductors Stimulators Insulators ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Heinrich Hertz James Clerk Maxwell Thomas Alva Edison John Logie Baird Heinrich Hertz James Clerk Maxwell Thomas Alva Edison John Logie Baird ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Equal to Greater than Greater than or equal to Less than Equal to Greater than Greater than or equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Acceleration Frequency Displacement Velocity Acceleration Frequency Displacement Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : CAT scans X-ray photos Ultrasound scans Endoscopy CAT scans X-ray photos Ultrasound scans Endoscopy ANSWER DOWNLOAD EXAMIANS APP
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