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Anna11 [10]
3 years ago
12

What are significant figures?

Physics
2 answers:
vekshin13 years ago
8 0
“The term significant figures refers to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation . The number of significant figures in an expression indicates the confidence or precision with which an engineer or scientist states a quantity.”
11Alexandr11 [23.1K]3 years ago
4 0
You can check this out for further understanding

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Which of the following is a TRUE statement?
pshichka [43]

Answer:

e. All of these statements are false.

Explanation:

As we know that heat transfer take place from high temperature to low temperature.

It is possible to convert all work into heat but it is not possible to convert all heat in to work some heat will be reject to the surrounding.

The first law of thermodynamics is the energy conservation law.

Second law of thermodynamics  states that it is impossible to construct a device which convert all energy into work without rejecting the heat to the surrounding.

By using heat pump ,heat can transfer from cooler body to the hotter body.

Therefore all the answer is False.

5 0
3 years ago
A lens collects light and focuses it into a small spot. This increases the ________ of the light wave.A lens collects light and
Anika [276]

Answer:

intensity.

Explanation:

when the light collected by the lens is focused into a small spot it tends to increase the intensity of the light.

as different path of light with different intensity combines from passing through the lens it tends to make the light path and intensity coherent and after being coherent there intensity increases.

8 0
3 years ago
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Yanka [14]
They move in a waves motion

6 0
3 years ago
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Svetllana [295]

Answer:

non linear square relationship

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a = constant × v^2

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hence non linear square relationship

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