fizika siluma Flashcards

(17 cards)

1
Q

Energija

A

parodo kiek darbo galima atlikti

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2
Q

potencine

A

sukauptoji - saveikos energija

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3
Q

kinetine

A

judejimo energija

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4
Q

vidine kunu energija dviem budais:

A

Atliekant darba, perduodant siluma

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5
Q

vidine energija kinta-sudaro

A

1 atliekant darba 2 perduodant siluma

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6
Q

šiluminis judėjimas

A

kūna sudaranciu daleliu netvarkingas judejimas

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7
Q

silumos perdavimo budai

A

silumos laidumas, konvekcija, siluminis spinduliavimas

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8
Q

kas turi buti kad siluma persiduotu

A

kunai turi liestis

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9
Q

geriausi silumos laidininkai

A

metalai

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10
Q

kas yra konvekcija

A

silumos perdavimas skysciu ar duju srovemis

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11
Q

silumos spinduliavimas

A

silumos perdavimas ne medziagomis.

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12
Q

silumos kiekis zymima?

A

vidinis energijos kiekis, kuri kunas gauna arba atiduoda silumos perdavimo budu. zymima Q

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13
Q

C

A

Savitoji medziaga siluma rodo , kiek silumos reikia vieno kg medziagos temp pekelti vienu laipsniu

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14
Q

silumos kiekio formule

A

Q=c*m(t2-t1)

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15
Q

degimo metu issiskyrusi siluma formule

A

Q=mq

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16
Q

q

A

savitoji degimo siluma- energijos kiekis kuris issiskiria visiskai sedugus 1kg kuro.

17
Q

degimo temp

A

temp kurioje medziaga pradeda degti