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This is an MCQ-based quiz on the topic of Complete High school Physics quiz.
This set of MCQs helps you brush up on the important physics topics and prepare you to dive into skill practice and expand your knowledge.
If 6L of gas at 293K is compressed to 4L, what is the new temperature in K?
193
345
31
213
The temperature at which all molecular motion stops is ____ K
200
273
0
-273
What is the kinetic energy in J of a 35 g of oxygen traveling at a velocity of 650 m/s?
7393750
7393600
7393.75
7393.60
Rising warm air currents is an example of:
Radiation
Conduction
Convection
A balloon is filled with helium gas to a volume of 30 litres at 1.0 atm pressure. The balloon is released and rises to an altitude where its volume expands to 180 litres. Calculate the pressure in atm being exerted on the balloon at thins altitude.
0.15
0.16
0.17
0.18
50 grams of iron is heated over a flame for several minutes. It is then plunged into a closed container containing 1.0 litre of cold water, originally at 15 degree Celcius. After the temperatures equalize, the water is now found to be at 17 degree Celcius. If no water changed state to become steam and there were no losses to the surrounding environment, what was the temperature of the iron just prior to being immersed in the water?
399
400
401
402
How many kinds of heat transfer are there?
1
2
3
4
An ice cube is placed on a table and begins to melt. The following conclusion can be made.
Energy is being created by the ice cube and is being released to the air
Energy is being created by the air and table and making the cube heat up.
Energy is being transferred from the table to the ice cube.
Energy is being absorbed by the table which causes the cube to melt.
How many laws of thermodynamics are there?
5
4
3
2
Which of the following statements is (are) true about enzyme-catalysed reactions?
The reaction always goes in the direction toward chemical equilibrium.
The reaction is faster than the same reaction in the absence of the enzyme.
The free energy change of the reaction is opposite from the reaction in the absence of the
A and B only
