Quizizz_2ª_Física_Capacidade térmica
Quiz
•
Physics
•
9th - 12th Grade
•
Practice Problem
•
Hard
VALDEMIR JUNIOR
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A capacidade térmica de um corpo indica:
Answer explanation
Capacidade térmica é definida como a quantidade de calor necessária para variar a temperatura de um corpo em 1°C.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A unidade de capacidade térmica no Sistema Internacional é:
Answer explanation
A unidade no SI é Joule por grau Celsius (J/°C).
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Se dois corpos possuem mesma capacidade térmica, então:
Answer explanation
Capacidade térmica mede quanto calor é necessário para variar a temperatura em 1°C, independentemente da massa ou material.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Corpos com maior massa, em geral, têm:
Answer explanation
Corpos mais massivos tendem a ter maior capacidade térmica, pois requerem mais calor para variar sua temperatura.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual das alternativas representa corretamente a fórmula da capacidade térmica?
Answer explanation
A capacidade térmica é dada pelo produto da massa pelo calor específico: C = m·c.
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Complete: Capacidade térmica é igual ao produto da massa pela _____________.
Answer explanation
A fórmula é C = m·c, onde c é o calor específico.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Um corpo de capacidade térmica 50 J/°C necessita de quanto calor para aumentar sua temperatura em 10°C?
Answer explanation
Q = C·ΔT = 50·10 = 500 J.
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