A ray at which angle would produce the most glare? A. 25 degrees B. 59 degrees C. 37 degrees D. 70 degrees

Answers

Answer 1

Answer:

A ray at which angle would produce the most glare is at 70 degrees. The answer is letter D. the greater the incident of light is, the greater is its index of refraction and thus having greater angle to produce a light ray.

Answer 2

Answer:

The ray more the incidence ray, the more will be the reflected ray. As angle of incidence is to angle of reflection.

Glare can be defined as the difficulty in seeing the object due to more brightness. The bright light such as the direct sunlight or the reflected sunlight or the headlight at the nighttime.The more the intensity the more will be glare.

Hence, the ray that will produce most glare is 70 degree.

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Answers

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Answers

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Answers

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Why is the efficiency of a machine always less than 100 percent

Answers

Explanation :

The efficiency of a machine is always less than 100 %. This is because some of the energy gets lost in the form of heat energy, sound energy and frictional energy.

Mathematically it is defined as :

$\eta=(W_o)/(W_i)$

Where,

$\eta$ is the efficiency

$W_o$ is output work

$W_i$ is input work

Hence, this is the required explanation.

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Answers

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Answers

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