O Level Courses

IGCSE O Level Physics Certification Exam Tests

IGCSE O Level Physics Practice Test 67

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Apps:

The Temperature Scales Trivia Questions and Answers PDF (Temperature Scales Quiz Answers PDF e-Book) download Ch. 19-67 to solve IGCSE O Level Physics Practice Tests. Learn Temperature in Physics MCQ Questions PDF, Temperature Scales Multiple Choice Questions (MCQ Quiz) to study online GCSE courses. The Temperature Scales Trivia App Download: Free educational app for temperature scales, scalar and vector, speed, velocity and acceleration, work and energy, melting and solidification test prep for ACT practice test.

The Trivia MCQ: Boiling point of liquid hydrogen is equal to 20 K, which is equal to; "Temperature Scales" App (iOS & Android) with answers: −253 °C; −293 °C; 293 °C; 253 °C; for ACT practice test. Study Temperature in Physics Questions and Answers, Google eBook to download free sample for online college courses.

## Temperature Scales Quiz with Answers : MCQs 67

MCQ 331:

Boiling point of liquid hydrogen is equal to 20 K, which is equal to

1. −293 °C
2. −253 °C
3. 293 °C
4. 253 °C
MCQ 332:

If two forces of 3 N acting on an object in opposite direction. The resultant force will be

1. 6 N
2. 3 N
3. 9 N
4. Zero
MCQ 333:

A car stops and then starts accelerating uniformly at rate of 3 m s-2, speed of car after 20 seconds is

1. 40 m s-2
2. 60 m s-2
3. 100 m s-2
4. 30 m s-2
MCQ 334:

An object has Ep of 500 J with a mass of 25 kg and gravity of 10 N kg-1, height of object is

1. 20 m
2. 1250 m
3. 2 m
4. 125000 m
MCQ 335:

Solid melts because the

1. intermolecular bonds get weak
2. thermal energy increases the rate of kinetic energy
3. thermal energy helps in breaking the intermolecular bonds between the particles
4. particles start vibrating more vigorously due to thermal energy