Class 9 Courses

Chapter 4: Class 9 Physics Exam Tests

Class 9 Physics MCQs - Chapter 4

# Matter Properties Quiz Questions and Answers PDF - 3

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The Quiz: Unit of strain is; "Matter Properties" App Download (iOS & Android) with answers ‘joule’, ‘newton’, ‘pascal’ and ‘no unit’ for high school certificate courses. Study Elasticity Physics MCQ Questions, download Amazon eBook (Free Sample) for online certificate courses.

## Matter Properties Questions & Answers : MCQ Quiz 3

MCQ 11: The unit of strain is

1. newton
2. joule
3. pascal
4. no unit

MCQ 12: At a height of about 30 km, the atmospheric pressure becomes

1. 1200 Pa
2. 1000 Pa
3. 1300 Pa
4. 1500 Pa

MCQ 13: The bubble is stable because the atmospheric pressure inside and outside is

1. equal
2. different
3. lesser
4. more

MCQ 14: If a 1 m long steel wire having area 5 * 10-5 is stretched through 1 mm by force of 10, 000 N then young modulus of wire is

1. 2 * 1011 N m-2
2. 3 N m-4
3. 4 N m-2
4. 5 N m-2

MCQ 15: A wooden cube of sides 10 cm each dipped in water. The up thrust of water would be

1. 20 N
2. 12 N
3. 10 N
4. 15 N