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9th Chapter

### 7th Science English Medium Chapter 9 Test

Here you can prepare 7th Science English Medium Chapter 9 Test. Click the button for 7th Science English Medium Chapter 9 100% free full practice test.

## 7th Class Science Chapter 9 MCQ Test With Answer for Science chapter 9

7th Class Science Ch. 9 Online Test

### 7th Class Science Chapter 9 MCQ Test With Answer for Science chapter 9

1 The lowest pointof a wave is................
• A. Crest
• B. Amplitude
• C. Peak
• D. Trough
2 What type of wave does not need matter to travel through.
• A. Mechaical
• B. Electromagnetic
• C. Sound
• D. Transverse
3 Sound cannot pass through.
• A. Solid
• B. Liquid
• C. Vacuum
• D. Gasses
4 The speed of sound in air is.
• A. 100 m/s
• B. 300 m/s
• C. 100 m/s
• D. 330 m/s
5 An object produce a sound with a frequency of 50 Hz. Find its tiem period.
• A. 0.01 sec
• B. 0.03 sec
• C. 0.02 sec
• D. 0.04 sec
6 Which have audible range for 2 kHz and 110 kHz.
• A. Human
• B. Owl
• C. Bat
• D. Dolphin
7 ------------ waves are produced in stretched string.
• A. Longitudinal wave
• B. Elecromagnetic wave
• C. Transverse wave
• D. None of these
8 Dolphins can hear sound underwater from up to ............ away
• A. 15 km
• B. 20 km
• C. 25 km
• D. 30 km
9 The wavelength of red colour is.
• A. 700 nm
• B. 800 nm
• C. 900 nm
• D. 600 nm
10 Which of the followig features of a wave is the number of waves that pass by each second.
• A. Loudness
• B. Amplitude
• C. Frequncy
• D. Wave speed

### Top Scorers of Science 7th Class English Medium Chapter 9 Online Test

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#### Shahram Mehmood

Lahore10 - Dec - 2023

20/20
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#### Ibrahim Tahir

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38 Sec
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#### Ibrahim Tahir

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20/20
51 Sec
M

#### Muhammed

Lahore28 - Jan - 2024

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01 Mins 04 Sec
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#### Shahram Mehmood

Lahore10 - Dec - 2023

18/20
34 Sec
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#### Ibrahim Tahir

Lahore19 - Feb - 2024

18/20
45 Sec
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#### Ibrahim Tahir

Lahore19 - Feb - 2024

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55 Sec
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#### Ibrahim Tahir

Lahore19 - Feb - 2024

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59 Sec
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#### Muhammed

Lahore28 - Jan - 2024

18/20
01 Mins 04 Sec
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#### Muhammed

Lahore28 - Jan - 2024

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#### Mussarat Bashir

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#### Muhammed

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Lahore28 - Jan - 2024

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#### Muhammed

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#### Muhammed

Lahore28 - Jan - 2024

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### Chapterwise Lists

Chapter Name Questions PDF File
Science 7th Class English Medium Chapter 1 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 1 Online Test 10 Questions
Science 7th Class English Medium Chapter 2 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 2 Online Test 10 Questions
Science 7th Class English Medium Chapter 3 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 3 Online Test 10 Questions
Science 7th Class English Medium Chapter 4 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 4 Online Test 10 Questions
Science 7th Class English Medium Chapter 5 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 5 Online Test 10 Questions
Science 7th Class English Medium Chapter 6 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 6 Online Test 10 Questions
Science 7th Class English Medium Chapter 7 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 7 Online Test 10 Questions
Science 7th Class English Medium Chapter 8 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 8 Online Test 10 Questions
Science 7th Class English Medium Chapter 9 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 9 Online Test 10 Questions
Science 7th Class English Medium Chapter 10 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 10 Online Test 10 Questions
Science 7th Class English Medium Chapter 11 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 11 Online Test 10 Questions
Science 7th Class English Medium Chapter 12 Online Test 10 Questions
Science 7th Class Urdu Medium Chapter 12 Online Test 10 Questions

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