Which kinds of lenses are in a light microscope? a concave objective lens and a cowhich best explains how fiber-optic technology has improved communication? it has eliminated the need to send audio data through telephones. it has allowed for faster transmission of internet signals. it has increased the speed at which light travels through space. it has reduced society’s reliance on devices such as computers and cell phones. nvex eyepiece lens a convex objective lens and a concave eyepiece lens concave objective and eyepiece lenses convex objective and eyepiece lenses

1.The correct answer is: convex objective and eyepiece lenses

The compound light microscope has two systems of lenses with the role to magnify:

•the ocular, or eyepiece lens. It is the part at the top of the microscope and it is in direct contact with microscopist. These lenses are the one that the microscopist look through and their magnification is 10x or 15x  

•the objective lens. The objective lens is a convex lens of short focal length with magnification 4×, 10x, 40x, 100×.

Total magnification of microscope is the product of both, the ocular and the objective magnification. For example, 10x ocular and 4x objective gives the 40x magnification to the microscope.

2.The correct answer is: It has allowed for faster transmission of Internet signals.

The primary function of the fiber-optic cables is to carry signals at high speeds and they do it by sending pulses of light through an optical fiber. The light produces an electromagnetic carrier wave that can carry information, so it is used to transmit telephone signals, Internet communication, and cable television signals.

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