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IGCSE A Level Physics Practice Test 86

# Perfectly Elastic Collision MCQ (Multiple Choice Questions) PDF - 86

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## Perfectly Elastic Collision Questions and Answers : Quiz 86

MCQ 426:

In a perfectly elastic collision, the relative speed of approach and relative speed of separation are

1. equal
2. in equal
3. zero
4. infinite
MCQ 427:

Measure of average kinetic energy of molecules is

1. temperature
2. energy
3. internal energy
4. enthalpy
MCQ 428:

An object immersed in fluid experiences an upward force named

1. viscosity
2. drag force
3. up thrust
4. friction
MCQ 429:

Frequency and time period are

1. directly related
2. not related
3. inversely related
4. directly proportional
MCQ 430:

Energy of molecules of any substance is known as

1. kinetic energy
2. potential energy
3. internal energy
4. chemical energy