Thermal physics

Quiz
•
Physics
•
12th Grade - University
•
Hard
+1
Standards-aligned

Anton Robinson
Used 97+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A scientist is feeling sick and knows that if her temperature is a degree or more above 37.5°C she should go home from work. But all she has is a thermometer graduated in kelvin. What temperature does the thermometer need to be?
194.5 K
310.5 K
311.5 K
325.5 K
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The specific heat of a liquid is 1000 J kg-1 K-1. What amount of heat is needed to raise the temperature of 4.0 kg of liquid from 30°C to 40°C?
4.0 × 103 J
2.0 × 104 K
4.0 × 104 J
4.0 × 104 K
Tags
NGSS.HS-PS3-2
NGSS.HS-PS3-4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A 2.0 kg solid has a specific latent heat of of fusion of 220 kJ kg-1. An electric heater of power 1500 W is used to heat the solid. Assuming no heat loss, how long does it take to completely melt the solid at constant temperature?
290 seconds
290 minutes
150 seconds
150 minutes
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-2
NGSS.HS-PS3-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A mass m of ice at a temperature of –5 °C is changed into water at a temperature of 50 °C.
Specific heat capacity of ice = ci
Specific heat capacity of water = cw
Specific latent heat of fusion of ice = L
Which expression gives the energy needed for this change to occur?
55 m cw + m L
55 m ci + 5 m L
5 m ci + 50 m cw + m L
5 m ci + 50 m cw + 5 m L
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Energy is supplied at a constant rate to a fixed mass of a material. The material begins as a solid. The graph shows the variation of the temperature of the material with time.
The specific heat capacities of the solid, liquid and gaseous forms of the material are cs cl and cg respectively. What can be deduced about the values of cs cl and cg?
cs > cg > cl
cl > cs > cg
cl > cg > cs
cg > cs > cl
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is numerically equal to the specific heat capacity of the substance of a solid body?
The thermal energy required to melt the body
The thermal energy required to increase the temperature of unit mass of the body by 1K
The thermal energy required to increase the temperature of the body by 1K
The total kinetic and potential energy of all the molecules in the body
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A fixed mass of an ideal gas in a closed container with a movable piston initially occupies a volume V. The position of the piston is changed, so that the mean kinetic energy of the particles in the gas is doubled and the pressure remains constant.
What is the new volume of the gas?
Tags
NGSS.HS-PS3-2
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